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An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element? A. 10 B. 20 C. 30 D. 0 E. 200
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An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?

A.
10
B.
20
C.
30
D.
0
E.
200

User Tony Downey
by
7.8k points

2 Answers

4 votes

Answer:

10

Step-by-step explanation:

User Cremno
by
8.8k points
5 votes

The answer is A. 10.

User Sid Kshatriya
by
9.1k points
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