Chemistry SASA

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Chemistry SASA

• Qtr 1 Review Guide

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• 1. Deuterium (2H) and protium (1H) are two
  isotopes of hydrogen. Which of the following
  statements best compares a deuterium atom to a
  protium atom?
• A The deuterium atom has a smaller net charge.
• B The deuterium atom has a smaller atomic radius.
  
• C The deuterium atom has more electron orbitals.
• D The deuterium atom has more particles in its
  nucleus.

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• 2. Based on its position on the periodic table,
  which of the following elements is a nonmetal?
• A Potassium (K)
• B Nickel (Ni)
• C Vanadium (V)
• D Bromine (Br)

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3. Which of the following ordered pairs of
elements shows an increase in atomic number but a
decrease in average atomic mass? A Ag to Pd
B Co to Ni C Ge to Sn
D Cr to Mo
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• 4. In which list are the elements arranged in
  order of increasing atomic mass?
• Cl, K, Ar
• Te, I, Xe
• (3) Fe, Co, Ni
• (4) Ne, F, Na

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5. How many protons, neutrons, and electrons are
in a neutral atom of sodium? F 11 p_, 12 n_,
11e_ _ G 11 p_, 11 n_, 12e_ H 12 p_, 11
n_, 12e_ J 12 p_, 11 n_, 11e_
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6. Which of the following is the same for both
hydrogen and potassium? A atomic mass B number
of valence electrons C total mass of
nucleons D atomic number
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7. The high electrical conductivity of metals is
primarily due to- (1) high ionization
energies (2) filled energy levels (3) mobile
electrons (4) high electronegativities
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8. Which of the following statements describes
the elements in family 17 of the periodic
table? A They have seven valence
electrons. B They are all solids at room
temperature. C They exist commonly as cations in
nature. D They are highly inert or unreactive.
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• 9. Which list of elements contains two
  metalloids?
• Si, Ge, Po, Pb
• Si, P, S, Cl
• (2) As, Bi, Br, Kr
• (4) Po, Sb, I, Xe

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10. An atom in the ground state has a stable
valence electron configuration. This atom could
be an atom of- (1) Al (2) Na (3) Cl (4)
Ne
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• 11. An element that is malleable and a good
  conductor of heat and electricity could have an
  atomic number of-
• 16
• 29
• (3) 18
• (4) 35

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• 12. Samples of four Group 15 elements, antimony,
  arsenic, bismuth, and phosphorus, are in the
  gaseous phase. An atom in the ground state of
  which element requires the least amount of energy
  to remove its most loosely held electron?
• As (2) P
• (3) Bi (4) Sb

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13. According to the electron-cloud model of the
atom, an orbital is a- (1) circular path
traveled by an electron around the nucleus (2)
spiral path traveled by an electron toward the
nucleus (3) region of the most probable proton
location (4) region of the most probable
electron location
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14. The table below gives information about the
nucleus of each of four atoms. How many different
elements are represented by the nuclei in the
table? (1) 1 (3) 3 (2) 2 (4) 4
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15. In the ground state, each atom of an element
has two valence electrons. This element has a
lower first ionization energy than calcium. Where
is this element located on the Periodic Table?
A. Group 1, Period 4 B. Group 2, Period 3
C. Group 2, Period 5 D. Group 3, Period 4