Can banks make loans out of their required reserves? Let this is an M days. Copyright 2023 WisdomAnswer | All rights reserved. A. The air we exhale has more mass; Breathing causes you to lose weight. For the hydrogen atom, if the nucleus were the size of the sun, the actual atom size (Bohr Radius) would extend about 6 times farther than the distance to Pluto. 92) If an atom has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass? No, we wanted it again. 53) Which chemical family is composed almost entirely of man-made elements? Strontium, Sr (number 38), is especially dangerous to humans because it tends to accumulate in calcium-dependent bone marrow tissues (calcium, Ca, number 20). Metro baseball is equal to 7.3 centimeter. After measuring two objects of vastly different sizes with the same unit, express the measurements in scientific notation to make it easier to compare them by determining the order of magnitude between the two numbers. Which of the following is not the name of a chemical family? Acceleration of this kind causes the liquid sur- Analytical cookies are used to understand how visitors interact with the website. 99) Which of the following statements is true about Bohr s planetary model of the atom? B. The atomic mass of bromine is reported in the periodic table as 79.904 atomic mass units. A honeybee weighs about 100 mg, or 10-1 g. The whale is nine orders of magnitude more massive than the honeybee. B) No. Therefore, the distances between nucleus and electron also increases. Calculate the order of magnitude between two values by subtracting the difference between its two exponents. Which of the following elements is in the fourth period? smaller than the atom in which it resides. Yale University: The Size of Matte: Why Properties Change in the Nanoscale, National Nanotechnology Initiative: Size of the Nanoscale, Micrometer = 1/1,000,000 m = 0.000001 m = 10-6 m, Nanometer = 1/1,000,000,000 m = 0.000000001 m = 10-9 m, Angstrom = 1/10,000,000,000 m = 0.00000000001 m = 10-10 m. The props aren't necessary, but they help visualization. B. an oxygen atom with 6 protons and 12 neutrons, C. a uranium atom with 92 protons and 146 neutrons, E. a hydrogen with one neutron and one proton. Give a possible explanation. But heres where it starts to get tricky. D) Two of the above are reasonable answers. It explains why each atom has a unique fingerprint.. If an atom were the size of a baseball stadium, the nucleus would be the size of a fly in the center field, and the electrons would be like two tiny gnats buzzing around the stadium. From this we can state that the Atom is 99.9999 % empty space. Study with other students and unlock Numerade solutions for free. An hour later, a dog with its nose to the ground follows the trail of the cat. C. A broad spectrum of all colors would be observed. B) It orbits around the nucleus of an atom. These cookies track visitors across websites and collect information to provide customized ads. So this is radius off nucleus. 68) How do we account for the great variety of substances in the world? C) Look at the street lamps through a spectroscope and match their spectral patterns to their respective atomic spectra. Using aluminum as a specific example, an aluminum atom has a diameter of about 0.18 nm compared with a dime that has a diameter of about 18 mm. In other words, one billion atoms could line up across the diameter of the battery. 69) Consider the various frequencies of the three photons emitted from the following three individual electron transitions in the figure below: n=3 to n=2; n=2 to n=1; n=3 to n=1. Which of the following best explains what is happening when an atom emits light? E. We see with light energy and the wavelength is larger than the object and so it is not reflected. ball in the middle of a football stadium the electrons would be at 17) Helium(He) is a nonmetallic gas and the second element in the periodic table. B) Neutrons carry no electric charge and thus have a greater likelihood of passing through the. So now this is new radius off you call this off, hydrogen atom. The Bohr model of the atom had a significant influence on the development of quantum mechanics, and was instrumental in the development and validation of quantum mechanics. B) If the atom is electrically neutral, the number of electrons corresponds to the atom s atomic. One fact is if an atom were the size of a football field the A. Choose the most likely set of mass numbers for these two bromine isotopes. 102) The color of a firework comes from the glowing of. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". There are many possible combinations of atoms. And there would be a large volume all around it thats mostly empty space If I were to model a nucleus, especially something with 20 or more protons and neutrons, I would get magnetic beads, and I would probably shape them into a sphere.. Um do the color two. 67) If an element has 18 protons and 20 neutrons and 18 electrons, which expression correctly identifies the element? How many electrons does this iron atom have? 6) The following statement describes which subatomic particle best?It is electrically charged. 54) An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. Atone Equal toe five points. A cell is bigger than an atom, electron, or molecule. What does the following element description actually mean? 74) If you remove two protons and two electrons from a sulfur atom (S), what new element is formed? The neutron lacks an electrical charge. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. If all the molecules of a body remained part of that body, would the body have any odor? See all Class 12 Class 11 Class 10 Class 9 Class 8 Class 7 Class 6 500 Selected Problems In Physics for JEE Main & Advanced Converting both units to meters and using scientific notation, express the measurements as 10-10 m and 10-1 m, respectively. So this is new radius off Nicholas, which is equal to ready yourself. F. 122) Which has more atoms: a 1-gram sample of carbon-12 or a 1-gram sample of carbon-13? Explain what is going on from a molecular point of view. C) When an electron wave is confined, it is reinforced only at particular frequencies. Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. Some of the more common units for measuring length or distance include: Express powers of 10 using scientific notation, where a number, such as a, is multiplied by 10 raised by an exponent, n. Scientific notation uses the exponential powers of 10, where the exponent is an integer that represents the number of zeros or decimal places in a value, such as: a x 10n. A. Choose the most likely set of mass numbers . 27) Which of the following is not a nonmetal? If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes? How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp? So here for upon tree by you will be cancelled from numerous in Demeter. This site is using cookies under cookie policy . Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends. 90) How is it possible to deduce the identity of an element from its electron configuration? The nucleus of an electrically neutral iron atom contains 26 protons. Which of the following might best explain the reason why electrons are restricted to certain energy levels in an atom? ( the history of the element,the name of the element,the number of electrons in an atom of an element.). One meter contains 1,000,000,000 nanometers. Two frequencies of light are emitted. 33) Why isn't dirt listed in the periodic table? Yes, off. Their outermost occupied shells are filled to capacity. B. Electrons are outside of the nucleus but bound to it by electromagnetic force; protons and neutrons are packed tightly inside, held together by a force thats roughly 100 times stronger than electricity the strong force, its called. 130) According to the shell model, how many shells are required to describe the periodic table? C. the sum of the protons and the neutrons. Referring to Problem $1,$ suppose the nucleus of the hydrogen atom were enlarged to the size of a baseball (diameter $=7.3 \mathrm{cm} ) .$ At what typical distance from the center of the baseball would you expect to find the electron? 86) Which element would have chemical properties the most similar to chlorine (Cl)? one way to solve : size of atom = size of baseball size of atom for the course is 1a = 10 - 10 m size of nucleus x 10 - 10 m = 10 - 1 m ; then x = 10 - 6 m ( = 1 um or 1 micron ) , about the size of a bacterial cell ! Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Would you use a physical model or a conceptual model to describe the following: the brain; the mind; the solar system; the beginning of the universe? The thickness of a sheet of paper is about 100,000 nanometers or 105 nm. Oxygen, O, (number 8), sulfur, S, (number 16), and selenium, Se, (number 34) have such similar chemical properties because. 38) Which of the following is most easily understood to be quantized? Rather, it's an area of probability, in which the size of the atom is defined by the probability that an electron will be found at a certain distance from its nucleus. What are 4 main causes of voter apathy What are 4 solutions? Jenny Marder If an element has 18 protons and 20 neutrons and 18 electrons, which expression correctly identifies the element? 121) Using the following generic atom description, choose the correct method for determining the number of neutrons. How big would the nucleus be if an atom was the size of the earth. How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels? Protons are positively charged, electrons are negatively charged, and neutrons have no charge. were filled with nonbonded C atoms at the optimal distance apart, Assume the optimal van der Waals distance is 4A, (nucleus to nucleus) for C atoms interacting with other C atoms, and assume the prokaryotic cell is, a rod-shaped bacterium with a length of 2. The atomic radius of an Iron atom is about 30,000 times the size. The first treats each of the C atoms as a little cube that fits inside the bigger cube of the cell (thats. 37) Why are the atomic masses listed in the periodic table not whole numbers? D. The dog is smelling molecules from the cat. Our goal is to make science relevant and fun for everyone. Give a possible explanation. A.P. So the answer is, if you expanded an atom to a size we could see, it wouldnt look much like anything. 104) What happens to the properties of elements across any period of the periodic table? If 80.0 percent of the atoms have an atomic mass of 80.00 atomic mass units and the other 20.0 percent have an atomic mass of 82.00 atomic mass units, what is the atomic mass of the element? D. An atom emits electromagnetic radiation when an electron moves from a lower energy level to a higher energy level. D) There are many possible combinations of atoms. If the atom was the size of a Baseball stadium, the nucleus why granite is more suitable than marble for astatue? When we breathe, we inhale oxygen, O2, and exhale carbon dioxide, CO2, plus water vapor, H2O. So we help we end up on we, uh physical toe radius. Which of the following elements is a transition metal? In this example, a stack of 1,000,000 atoms would be the same thickness as sheet of paper. B) An electron is dropping from a higher to a lower energy level with the difference in energy between the two being emitted as light. In An atom absorbs or emits only particular frequencies of light. A) The greater the frequency of a photon of light, the greater the energy packed into that. Two frequencies of light are emitted. How big would the nucleus be of the atom was the size of an Olympic swimming pool? What is located outside the nucleus in the electron cloud? Most of the space in an atom is A) element with the same number of protons but a different number of neutrons. The properties of the elements gradually change across any period of the periodic table. What kind of telescope should I buy to see stars? 91) If a neutral element has 8 neutrons and 7 electrons, which expression correctly identifies the element? Such a revolving electron will lose its energy continuously and it falls into the nucleus after a certain instant of time. Yes, we have enlarged the size off nucleus. Carbon dioxide would then have a mass of 44 amu. Consider the various frequencies of the three photons emitted from the following three individual electron transitions in the figure below: n=3 to n=2; n=2 to n=1; n=3 to n=1. Smaller units, such as centimeters and millimeters, typically used to measure small objects that can fit within your hand, are still much larger than a nanometer. Here we are, given the diameter of baseball die. A quick primer on the atom: Atoms are composed of protons, neutrons and electrons. See so taking cute, um, more stars of the Guardian. why atoms are actually mostly empty space. 96) If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element? D. It is the outermost shell of electrons in an atom. The exponent makes large numbers with a lengthy series of zeros or small numbers with many decimal places much more manageable. If the atom were to increase in size to the size of a basket ball the neutrons,protons ,and electrons would also grow in size. izontal, where tan $\theta=a$/$\mathrm{g}$, a being the horizontal accelera- 14) What is the approximate mass of a carbon atom in atomic mass units (amu)? What is the name of this element? Do young Adam, after your son Nicholas is in last two the size off baseball? D. When an electron wave is confined, it is reinforced only at particular frequencies. The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays. Using common objects that people are familiar with is better than using abstract landmarks that are difficult to imagine. By analogy, the size of a marble of 1 cm can be compared to the Dirt is a mixture of elements and compounds. 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If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would, 30) What does the following element description actually mean?18, C) an oxygen atom with 6 protons and 12 neutrons, E) Only two of the above. Considering how small atoms are, what are the chances that at least one of the atoms exhaled in your first breath will be in your last breath? B) a model that illustrates the tendency of an atom to undergo chemical bonding. Answer: The combined energies of the two frequencies emitted by the one electrons is. passes first through polarizing f, The turd IS launched ata speed of 51 ms at an angle 0f 60 degrees above the , 10.0 cmF =?2710.0 N40.0 cmThe blue bar shown above connected, A given thick spherical shell has a volume charge distribution of p = A/r, w, One of the moons of Jupiter; named Io_ has an orbital radius of 4.22 X 108 m, For lead 82Pb208 (atomic mass 207.976630u) obtain (a) the mass defect in ato. How would you describe light generated by heating pure elements if it was observed through a prism or . Answer (1 of 5): You have to understand that the nucleus infinitesimally SMALL !! Subscribe to Heres the Deal, our politics newsletter for analysis you wont find anywhereelse. The Bohr model of the atom was the first to explain the discrete spectrum of hydrogen and how the spectral lines of the hydrogen atom were split into multiple spectral lines in a phenomenon called the fine structure. If you could witness one event past, present, or future, what would it be? If an atom were the size of a baseball stadium its nucleus would be about the size of what? D) A quantum of light is actually one photon. Transpires are both ingredients are equal. 8 What would an atom look like if it was a marble? For perspective, compare the masses of two objects that can be observed without a microscope and are also separated by several orders of magnitude, such as the mass of a blue whale and a honeybee. How is this analogous to the quantized energy levels of an electron in an atom? 106) How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp? Orders of magnitude allow you to compare the approximate value of an extremely small object, such as the mass or diameter of an atom, to a much larger object. D) They are of the same age, which is appreciably older than the solar system. So how might a gallium, Ga (atomic number 31), chip compare with a germanium chip? D) the sum of the protons and the neutrons. are found around the nucleus. why I told you to consider the cell as a cube, it makes the math easier). Why isn't dirt listed in the periodic table? The two bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed . A. equal to the energy of the single frequency. I mean if you take a blueberry the size of a football field, the nucleus would be aMARBLE !! would the nucleus be? 1996 - 2023 NewsHour Productions LLC. 76) If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains? D. They have shorter wavelengths than visible light. Although it is very small, the nucleus is massive compared to the rest of the atom. Converting both units to meters and using scientific notation, express the measurements as 10-10 m and 10-1 m, respectively. C. A carbon atom has a mass of about 12 amu. Major on DDE radius off nucleus off. How might health-care professionals provide the basic requirements of life to an unconscious patient? So the poverty is equal to you're this up baseball to the bower tree upon ready yourself nucleus to the body. Suppose you compare an atom that has a diameter of 0.1 nm with a size AAA battery that has a diameter of 1 cm. A) physical; conceptual; physical; conceptual. What do the components of a conceptual model have in common? Which element would have chemical properties the most similar to chlorine (Cl)? D. a model that illustrates the tendency of an atom to undergo radioactive decay and the products it produces. Which color of light comes from a greater energy transition: red or blue? Cool toe radius off. Which of the following elements are in the same group as silicon (Si)? B. C. Neutrons carry no electric charge and thus have a greater likelihood of passing through the tissue.
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