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How many neutrons does calcium have? .20. 60. 79. 40
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16 votes
How many neutrons does calcium have?
.20. 60. 79. 40

User Cleriston
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1 Answer

6 votes

Answer:

20

Step-by-step explanation:

Atomic number/proton number = 20 (protons in nucleus)

Atomic mass number = 40 (protons + neutrons in nucleus)

40 - 20 = 20

User Jonathan Leon
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