How many protons (p)and neutrons (n)are in an atom of calcium-46?
A)20 p,26 n
B)20 p,46 n
C)26 p,20 n
D)46 p,60 n

Name: How many protons (p)and neutrons (n)are in an atom of calcium-46? A)20 p,26 n B)20 p,46 n C)26 p,20 n D)46 p,60 n
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Question

Quizplus · Accepted Answer

Calcium (Ca) has an atomic number of 20, indicating it has 20 protons. The mass number of calcium-46 is 46, which is the sum of protons and neutrons. Therefore, it has 26 neutrons (46 - 20 = 26).

How Many Protons (P)and Neutrons (N)are in an Atom of Calcium-46