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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 Anula
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1 Answer

3 votes

Answer:

10

Step-by-step explanation:

Number of neutrons = mass number- atomic number

User Bendewey
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