How many atoms do Ca have?

Answer 1

There are 20 protons in a calcium atom. You can find the number of atoms in any element by looking at the atomic number which is in the top right corner of the element's box on the Periodic Table. e.g. Ca 20 40.078

Answer 2

There are 20 neutrons in Ca, or calcium, atoms.

Answer 3

The number of protons and electrons are the same in every element. Calcium has 20 electrons, and 20 protons.

Answer 4

The element calcium (Ca) has 20 atoms in one mole of the element, as it has an atomic number of 20.

Answer 5

20 protons.

Answer 6

4

Answer 7

20

Answer 8

20