Sagot :
The atomic number is the number of protons. The calcium-40 isotope has a mass number of 40 , and an atomic number of 20 , therefore it has 20 protons.
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Explanation:
QUESTION :
WHAT DOES ca-40 REPRESENT?
✏ANSWER :
Calcium 40 Carbonate (Calcium-40) is a stable (non-radioactive) isotope of Calcium. It is both naturally occurring and produced by fission.
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