Science 7th Grade 2.5 - 3.4

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What are atoms?

Atoms are tiny particles that make up all matter, and cannot be divided any further.

If there are 94 different kinds of naturally occurring atom, how many different naturally occurring elements are there?

There are 94 different naturally occurring elements.

What are the names of the elements with the symbols Mg, Be, Li, and N?

Magnesium, Beryllium, Lithium, and Nitrogen.

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