1. What determines the reactivity of an atom?
1 answer:
The number of electrons in the outermost shell of an atom determines<span> its </span>reactivity<span>.</span><span>
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The formula on the periodate table is Rb
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Answer:</h3>
2 atoms
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Explanation:</h3>
- Compounds are substances that are formed when two or more elements chemically combine.
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- Unlike elements that are made of similar atoms, compounds contains atoms that are not similar from different elements.
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The answer is A. chemical bond
