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25 Cards in this Set
- Front
- Back
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The ____________ of a gas at STP equals 22.4 liters |
Molar volume |
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Standard Temperature is ____________. |
0 degrees C |
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The mass of 1 mole of potassium equals _______. |
39.098 g |
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22.4 __________ of xenon at STP contains 6.02 x 10^23 atoms. |
Meters |
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One mole samples of any gas will have the same _______ at the same temperature and pressure. |
Volume |
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The mass in grams of 6.02 x 10^23 atoms of ___________ equals 24.305 grams. |
Magnesium |
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Quantum numbers represent the area of probability of the location of ________ in an atom. |
Electron |
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Chlorine has ________ unpaired electrons. |
1 |
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The following electron configuration represents ________ 1s^2 2s^2 2p^2 |
Carbon |
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An atom of _________ has electrons in 4 energy levels. |
Bromine |
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Elements in group ___ have 6 valence electrons. |
16 |
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Nitrogen has _____ valence electrons. |
5 |
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_________ neutrons are present in the Al-28 isotope. |
15 |
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Each _________ in an atom is represented by a unique quantum number. |
Electron |
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True or False: In the p sublevel, each orbital holds 1 electron before any holds 2. |
True |
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An atom of _______ has 14 neutrons. |
^25Na |
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After ______, electrons go into the 2p sublevel. |
2s |
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The _________ sublevel has 3 orbitals. |
P |
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What is Carbons symbol? |
C |
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An isotope of _______ contains 43 protons and 58 neutrons. |
Technectium-101 |
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True or False: Chlorine has 4 unpaired electrons. |
False: It has one. |
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True or False: Elements in group 16 have 6 valence electrons. |
True |
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True or False: Electrons are represented by a unique quantum number. |
True |
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True or False: The d sublevel holds 3 orbitals |
False: It holds 5 |
