Calcium has an atomic number of 20 and an atomic mass (weight) of 40 therefore, we know that calium has

Computers and Technology

1 answer:

klio [65]3 years ago

7 0

20 protons
20 electrons
20 neutrons

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Hope you could understand.

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ENG103 DISCUSSION BOARD 6

amm1812

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muminat

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Yuliya22 [10]

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