Chemistry

Question

You have different varieties of the same element because you change the

number of

• atoms

• electrons

neutrons

• protons

* 2 points

Answer

You have different varieties of the same element because you change the number of protons in the nucleus, which determines the element's atomic number. This can also affect the number of electrons and neutrons, but the number of atoms remains the same in a given sample.

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The number of protons in the nucleus of an atom determines the element's atomic number. For example, all carbon atoms have six protons in...