1.

Find out the number of elections, protons and neutronfollowing40Ca20​

Answer»

Explanation:

The number of protons is half the number of neutrons.

Number of Protons = ATOMIC number = 20.

Therefore, number of protons = 20.

Number of electrons = number of protons = 20.

Number of neutrons = Mass number - number of protons = 40-20 = 20.

The only option STATES WRONG about Ca is C.



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