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12 Cards in this Set
- Front
- Back
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What is an atom? |
The smallest part of an element |
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What part of an element has all of its properties? |
The atom |
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What does an element have? |
All of the atoms of the same kind of material |
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What is a compound? |
2 or more elements combined in a fixed proportion by a chemical bond. |
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What is a molecule? |
2 or more atoms joined together, not always of the same element. |
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What is everything in the Periodic table? |
An element |
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What is the first letter of an element always? |
Uppercase |
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What is the second letter of an element always? |
Lowercase |
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List some diatomic elements |
- Hydrogen - Nitrogen - Oxygen - Chlorine |
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What does diatomic mean? |
An element that consists of two atoms |
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What does the number of electrons always equal? |
The number of neutrons |
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Atomic mass - atomic number = |
Number of neutrons |
