How many protons, electrons and neutrons does an neutral atom of Calcium have? Its atomic number is 20 and the mass number is 40 Options: A . &nbsp20 protons, 18 electrons and 40 neutrons B . &nbsp20 protons, 20 electrons and 20 neutrons C . &nbsp40 protons, 40 electrons and 20 neutrons D . &nbsp20 protons, 18 electrons and 20 neutrons

How many protons, electrons and neutrons does an neutral atom of Calcium have?

Question

How many protons, electrons and neutrons does an neutral atom of Calcium have? Its atomic number is 20 and the mass number is 40

Options:

A . 20 protons, 18 electrons and 40 neutrons

B . 20 protons, 20 electrons and 20 neutrons

C . 40 protons, 40 electrons and 20 neutrons

D . 20 protons, 18 electrons and 20 neutrons

Answer: Option B

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