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dexar [7]
3 years ago
5

Why are elements on the periodic table not arranged by mass?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

A. Similar elements have such different masses that this would lead to a completely random arrangement of elements.

Explanation:

Because it is the number of protons, which is identical to the atomic number, that separates different elements from each other, not the atomic mass.

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