Which quantity identifies an element?

1. Atomic number

2. Mass Number

3. total number of neutrons in an atom of the element

4. total number of valence electrons in an atom of the element

Question

Trevin

15 April, 01:40

+4

Answers (1)

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Luciano Salinas · Answer 1

Atomic number identifies an element. Atomic number is the number of protons in the atom of an element, which is different for every element.

Which quantity identifies an element?1. Atomic number2. Mass Number3. total number of neutrons in an atom of the element4. total number of valence electrons in an atom of the element