Question

1.The smallest invisible particle that makes up everything. *

2.It is a compound made up of sodium and chlorine. *

Answer 1

Answer:

atom

Explanation:

Answer 2

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An atom is the smallest particle of an element, having the same chemical properties as the bulk element.

Sodium chloride, regular table salt, is also known as the mineral halite. The diagram to the right shows how sodium and chlorine atoms pack tightly together to form cube-like units of the compound NaCl.