Um do the color two. In some instances electromagnetic radiation behaves like a wave. 60) Which of the following elements are in the same period as magnesium (Mg)? A) The greater the frequency of a photon of light, the greater the energy packed into that. 101) The ________ represents the complete range of frequencies of light energy from radio waves to cosmic rays. 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. The atomic mass of bromine is reported in the periodic table as 79.904 atomic mass units. These masses are more than 2000 times the mass of the electron. A) Very probable because atoms are incredibly small. Get 24/7 study help with the Numerade app for iOS and Android! C) their outermost shells contain the same number of electrons. From this we can state that the Atom is 99.9999 % empty space. 7) If all the molecules of a body remained part of that body, would the body have any odor? Protons are positively charged, electrons are negatively charged, and neutrons have no charge. 135) The oldest known elements in the periodic table are the ones with, 136) The most massive subatomic particle is the, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Find $y^{\prime}$ and $y^{\prime \prime}.$ $y=e^{\alpha x} \sin \beta x$. electron, atom, molecule, and cell. Picture a circular pond with a diameter equal to the length of an Olympic swimming pool, which is about 165 feet (50 meters). 96) If an element has 10 protons and 11 neutrons and 10 electrons, which expression correctly identifies the element? C, B, A. So we have radius our baseball equal to seven pointy centimeter upon to which is equal to 3.6 centimeter are we can ride. If a baseball were scaled up to the size of planet Earth, each of its atoms would be about the size of. 80) Which of the following elements are in the same group as silicon (Si)? All components interact with each other. These transitions would produce three spectral lines in a spectroscope. Such a revolving electron will lose its energy continuously and it falls into the nucleus after a certain instant of time. 17) Helium(He) is a nonmetallic gas and the second element in the periodic table. Which of the following elements are in the same period as magnesium (Mg)? Surrounding the nucleus is a cloud of electrons, which makes up most of the atoms volume. So the poetry is you, Kal Toh, Radius of baseball to the bar three upon nudity is offered, um, to the power. Using the method presented in Appendix E, construct a concept map illustrating the different concepts to show the relationships among all the gas laws described in this chapter. As a particle? 127) The following statement describes which subatomic particle best? Explain what is going on from a molecular point of view. Evidence for the existence of neutrons did not come until many years after the discoveries of the electron and the proton. 66) Which of the following is a metalloid? 1 See answer Advertisement lamiaa16 Your answer would be Flea 64) Which of the following physical properties would you expect for krypton (Kr)? of whats called hexagonal close packing to pack as many spherical atoms as possible into the cell. It's Julian one. If the atom was the size of a Baseball stadium, the nucleus But heres where it starts to get tricky. The nuclear envelope separates the fluid inside the nucleus, called the nucleoplasm, from the rest of the cell. Scientific notations help you to express these measurements and assign a value to the differences. For example, at 65 mph the car may be most quiet, but at 60 mph the car rattles uncomfortably. How big would the nucleus be of the atom was the size of an Olympic swimming pool? To find the difference in the orders of magnitude, subtract the exponent -10 from the exponent -1. The traditional atom model that shows electrons orbiting a central nucleus the way planets orbit the sun is a perfectly reasonable picture, according to Kakalios, since the force of attraction between electrons and protons is mathematically similar to the gravitational attraction between planets and their sun in the solar system. How might you distinguish a sodium-vapor street lamp from a mercury-vapor street lamp? When converted to meters and expressed in scientific notation, you can easily compare the measurements. Email your Just Ask! 92) If an atom has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass? Does breathing cause you to lose or gain weight? Which of the following describes 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? If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes? Oxygen, O, (number 8), sulfur, S, (number 16), and selenium, Se, (number 34) have such similar chemical properties because. You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. From this we can state that the Atom is 99.9999 % empty space. It orbits around the nucleus of an atom. 9) Evidence for the existence of neutrons did not come until many years after the discoveries of the electron and the proton. Is the nucleus the largest part of an atom? Which of the following might best explain the reason why electrons are restricted to certain energy levels in an atom? The lit lit are and our this is New Radius is the new Really? What are 4 main causes of voter apathy What are 4 solutions? 102) The color of a firework comes from the glowing of. B. Solution: According to Rutherford atomic model, electrons revolve round the nucleus in circular orbits. A. A) element with the same number of protons but a different number of neutrons. B) One electron can be boosted to many different energy levels. See from here, buddy. 26) Which of the following elements is in the fourth period? One meter contains 1,000,000,000 nanometers. Study with other students and unlock Numerade solutions for free. A) helium is most similar to other group 18 elements. Because the size of an atom is about 100-500 nm, while the size 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 grain of salt is two orders of magnitude smaller than the baseball. So now this is new radius off you call this off, hydrogen atom. If the atom was the size of a Baseball stadium, the nucleus would be the size of a Baseball! Where did the atoms that make up a newborn baby originate? It has a positive charge equivalent but opposite of an electron's. Best ball time radius off Adam Upon release off Nicholas No, By blending different values here we have a star baseball equal to 3.65 times 10 to the power minus two meter radius up with a muse, 5.3 times tended a power minus 11 meter of on let yourself nucleus is 0.5 times attended a power minus 15 meter. What is located outside the nucleus in the electron cloud? C) We are continually exchanging our atoms. B) You would see a series of very sharp lines of emitted light. The neutron lacks an electrical charge. Comparing the size of an atom to objects large enough to see without a microscope requires much greater orders of magnitude. E. We see with light energy and the wavelength is larger than the object and so it is not reflected. Subscribe to Heres the Deal, our politics newsletter for analysis you wont find anywhereelse. 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. This textbook answer is only visible when subscribed! D. They have shorter wavelengths than visible light. Please subscribe to view the answer. D. Two of the above are reasonable answers. D) No, because there would be no molecules traveling to our nose. (a) Consider the horizontal acceleration of a mass of liquid in This is in contradiction with the practical observations which shows atoms are stable. Dirt is a mixture of elements and compounds. why atoms are actually mostly empty space. taken up by the electron cloud which surrounds the nucleus. So how might a gallium, Ga (number 31), chip compare with a germanium chip? A) Their outermost occupied shells are filled to capacity, 29) You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. 74) If you remove two protons and two electrons from a sulfur atom (S), what new element is formed? If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains? An atom absorbs or emits only particular frequencies of light. Electrons, they fly around the atom, if the nucleus is a golf E. They behave like restricted waves and are self-reinforcing. Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Calculate the areas and densities. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The beam of neutrons, however, is less harmful. 97) An atom absorbs or emits only particular frequencies of light. The properties of the elements gradually change across any period of the periodic table. 1996 - 2023 NewsHour Productions LLC. What does the following element description actually mean? How long does it take for the actual transition to take place? 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. 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. C. Neutrons carry no electric charge and thus have a greater likelihood of passing through the tissue. Our goal is to make science relevant and fun for everyone. 86) Which element would have chemical properties the most similar to chlorine (Cl)? 77) Which of the following statements describes an isotope? In other instances electromagnetic radiation behaves more like a particle. Which of the following statements does not describe a proton? Nobody comparing. 5) Which are older, the atoms in the body of an elderly person or those in the body of a baby? would the nucleus be? Which of the following is said to be quantized? 10 - 15 m x big picture ( students do n't have to state ) : nuclei are very small , very much smaller than the total size of the Hence, we can say that, if an atom were enlarged to the size of the earth, its nucleus would be only $ {10^2}m $ in diameter and could easily fit inside a small football stadium. B. their outermost shells contain the same number of electrons. If the atom were the size of a baseball stadium, the nucleus would be smaller than the baseball. 2 What is located outside the nucleus in the electron cloud? Which contributes more to an atom's size? Please check your inbox to confirm. 79) If a neutral element has the following chemical notation, how many electrons does it have? Consider these atoms: (a) copper, Cu; (b) neon, Ne; (c) hydrogen, H. The isotope 14-nitrogen has a mass of 14.003 amu , and the isotope nitrogen-15 has a mass of 15.000 amu . These cookies will be stored in your browser only with your consent. Which element would have chemical properties the most similar to chlorine (Cl)? approximately the optimal van der Waals distance apart. Which of the following is not the name of a chemical family? How many electrons are there in the third shell of sodium, Na (atomic number 11)? B) a model that illustrates the tendency of an atom to undergo chemical bonding. Since atoms are mostly empty space, why don't objects pass through one another? C. A carbon atom has a mass of about 12 amu. the average atom is 10,000 times larger in diameter than the izontal, where tan $\theta=a$/$\mathrm{g}$, a being the horizontal accelera- 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. The element bromine, Br (atomic number 35), has two major isotopes of similar abundance, both around 50%. If an atom were the size of a baseball, its nucleus would be about the size of a (n) flea. 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? 73) How might the spectrum of an atom appear if its electrons were not restricted to particular energy levels? Converting both units to meters and using scientific notation, express the measurements as 10-10 m and 10-1 m, respectively. What was Niels Bohr's explanation for the observation of atomic spectra? Which of the following elements is a gas at room temperature? The vibrating car is analogous to one of the energy levels of the electron, which is the point at which the electron experiences resonance. D. It is the outermost shell of electrons in an atom. The electrons An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. In this case, volume off nucleus that is equal to four punchy by and radius of Nicolas is equal to duty is off this one to the poverty upon while you off their term it will be called to four upon three times by times Here, New radius is Ah and our So the power three Let this is named this equation. If all the molecules of a body remained part of that body, would the body have any odor? wrote. Boron has primarily two isotopes, one with an atomic mass of 11 amu and another with an atomic mass of 10 amu. If a neutral element has the following chemical notation, how many electrons does it have? Chem quiz 3: If an atom were the size of a football field, the nucleus would be about the size of a baseball at the center of the field, and the electrons would be the size of _____ around the outside of the field. Baseball, which is a girl toe three pie and 65 times 10 to the power minus two meter. Which of the following statements best describes an element? What makes up most of the volume of an atom? Choose a specific health care profession (e.g., dental hygienist, physical therapist) and create a situation where this individual might be subject to legal action for each of the following torts: malpractice, negligence, assault, battery, invasion of privacy, false imprisonment, abuse, and defamation. That is why . depth below the surface? Choose the most likely set of mass numbers for these two bromine isotopes.
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