Term
| What does the atomic number on a periodic table represent? |
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Definition
| The number of protons and electrons |
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Term
| What does the mass number represent? |
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Definition
| The number of protons and neutrons |
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Term
| How do you find the number of neutrons? |
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Definition
| Mass number minus Atomic number |
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Term
| Who was the first person to use the word atom? |
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Definition
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Term
| What is electronegativity? |
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Definition
| The ability of an atom to attract electrons. Increases to the right, decreases as you go down |
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Term
| What is ionization energy? |
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Definition
| The amount of energy needed to detach an electron. Decreases as you go down, increases across the periodic table |
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Term
| What is the atomic radius? |
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Definition
| The size of the radius of an atom is, from the nucleus to the surrounding electrons. Increases as you go down, decreases to the right |
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