Question

1. The basic structural unit of matter such as elements in the periodic table.
a. Meter b. Cell
c. Electron
d. Atom
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Answer 1

Answer:

c. atom is the answer because in periodic table atom number is given beside the elements

Answer 2

the answer is Atom

Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.