The atom of an element contains the same number of protons and neutron – McqOptions

MCQOPTIONS

1.	The atom of an element contains the same number of protons and neutrons and it is x. The mass number and the atomic number of that element will be respectively:
A.	x and x
B.	2x and x
C.	x and 2x
D.	2x and 2x
Answer» C. x and 2x

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