Sagot :
Answer:
The atom is the SMALLEST unit of ordinary matter that forms a chemical element.
Explanation:
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Answer:
SMALLEST
Explanation:
An atom is the smallest unit of matter that retains all of the chemical properties of an element.The attraction between the positively charged protons and negatively charged electrons holds the atom together. Most atoms contain all three of these types of subatomic particles—protons,electrons, and neutrons.