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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
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

User Natacado
by
8.6k points

1 Answer

8 votes

Answer:

B

Explanation:

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

User Danial Dezfooli
by
8.3k points
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