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Question 11.How many atoms are there in two moles of helium gas?
Question 22.How many moles of silver (Ag) atoms are there in 3.80 x 10^24 silver atoms?
Question 33.When working with atomic orbitals and quantum numbers, if n = 2, then l can be which of the following values?
Question 44.A(n) _____ is a representation of the arrangement of electrons in an atom of an element.
Question 55.The energy of an orbital is represented by which letter?
Question 66.The electron configuration of Carbon is 1s^2 2s^2 2p^2. How many electrons does Carbon have?
Question 77.The atomic number of oxygen is 8. Therefore, oxygen atom has:
Question 88.The mass number of Nitrogen is 14, and its atomic number is 7. Therefore, Nitrogen has:
Question 99.Which magnetic quantum numbers are possible for p orbitals?
Question 1010.What is the main difference between two isotopes of the same element?
Question 1111.Which of the following scientists discovered the electron charge using the 'oil drop experiment'?
Question 1212.Which of the following describes Rutherford's model of the atom?
Question 1313.Who stated that matter is made of atoms?
Question 1414.Why did Rutherford concluded that gold atoms are mostly made of empty space?
Question 1515.Which of the following scientists would say that atoms are like plum pudding, where the raisins are negative charges and the rest of the space has positive charges?
Question 1616.Which of the following was the instrument used for the discovery of the electron?
Question 1717.Which scientist is credited with discovering the charge of an electron?
Question 1818.A piece of pencil graphite (made of carbon atoms) has a mass of 0.12 grams. How many moles of carbon atoms are in the lead?
Question 1919.A computer chip contains 1.20 x 10^23 atoms of silicon. What is its mass?
Question 2020.ALL atoms of the same element have:
Question 2121.Which element has a mass number of 12 and contains 6 neutrons?
Question 2222.X and Y are elements that are isotopes to each other. Which of the following is true about X and Y?
Question 2323.Magnesium has three common isotopes. Based on its average atomic mass, which is the most common?
Question 2424.What is the maximum number of electrons that can be found in a 5p cluster (or orbital) of a single atom?
Question 2525.What should the electron configuration for neon (Ne) end with? Is it going to be a stable atom or a reactive atom?
Question 2626.How does the Bohr Model differ from the Rutherford model?
Question 2727.When an electron moves from an excited state to a ground state, it will _____.
Question 2828.Which letter orbital corresponds to l = 2?
Question 2929.Which quantum number indicates the position of the orbital?
Question 3030.What did Rutherford discover in his gold foil experiment?
Atom Chapter Exam Instructions
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