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How many atoms are in calcium?

Understand the Problem

The question is asking about the number of atoms present in a calcium sample. This likely refers to calculating the number of atoms in a given mass of calcium using the concept of moles and Avogadro's number.

Answer

20 protons

Calcium has 20 protons

Answer for screen readers

Calcium has 20 protons

More Information

Calcium has 20 protons, which is its atomic number. This makes it an element with 20 atoms in its nucleus when counting only protons.

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