If An atom has 10 protons, 11 neutrons, and 9 electrons. What is the atomic number of this atom? A) 9 B) 10 C) 11 D) 21

asked Aug 22, 2022 46.4k views

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If An atom has 10 protons, 11 neutrons, and 9 electrons. What is the atomic number of this atom?

A) 9

B) 10

C) 11

D) 21

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8 votes

Answer:

Explanation:

Atomic number is equal to the number of protons in an atom.

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