Question

the mass number of an element is 14. it contains 7electrons. how many number of protons and neutrons in it? what is the atomic number of the element. plzzzzzzzzz anseer this quickly plzzz

Answer 1

Mass number = no. of electron + no. of neutron
14 = 7 + no. of neutron
no. of neutron = 14 - 7
= 7
no. of protons = no. of electron
= 7