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disa [49]
3 years ago
5

Please Help!!! Will mark brainliest plus 30 points!!!

Chemistry
1 answer:
madam [21]3 years ago
7 0
H2O is one.
Ecuals water
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<h3>What is an atom?</h3>

An atom is a particle of matter that uniquely defines a chemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons.

When an atom shares electrons with another atom then it results in the formation of a covalent bond.

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When the nucleus of an atom splits then it represents a nuclear fission reaction and energy is released during this process.

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