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10 Cards in this Set
- Front
- Back
A covalent bond between two atoms is likely to be polar if: |
one of the atoms is much more electronegative than the other |
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A triple covalent bond would: |
involve the sharing of six electrons
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How many electrons does phosphorus have in its valence shell? |
5 |
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A potassium ion (K+) contains 18 electrons, 19 protons, and 20 neutrons. What is the atomic number of potassium? |
19 |
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What is the difference between a molecule and a compound? |
A compound consists of two or more elements in a fixed ratio; a molecule has two or more covalently bonded atoms of the same or different elements |
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NaCl (table salt) is a molecule |
False |
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Diatomic molecules consists of ___ atoms |
2 |
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In a non-polar covalent bond, electrons are _____ and _____ _____ to the atoms' nuclei |
shared/evenly attracted |
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Water is a compound held by hydrogen bonds |
True |
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Atomic number refers to: |
number of protons in the atom's nucleus |