Question

which are the building blocks of matter and cannot be chemically subdivided by ordinary means​

Answer 1

Answer:

Matter has mass and takes up space. Atoms are basic building blocks of matter, and cannot be chemically subdivided by ordinary means.

Explanation:

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Answer 2

Answer:

The answer is Atoms.

Explanation:

The building blocks of matter and cannot be chemically subdivided by ordinary means is an atom.