Question

An atom has an 16 protons, 18 neutrons, and 13 electrons. What are its atomic number, atomic mass, and net charge?

Answer 1

Answer:

Atomic number = 16, Atomic mass = 34, Net charge= +3

Explanation:

i) Atomic number = Proton number = 16

ii) Atomic mass = Proton number + Neutron number

                         = 16 + 18 = 34

iii) Net charge= Proton number = Electron number (when element is in ground state or unreacted state)

But, proton number (16) is not the same as electron number (13), this means the element has lost 3 electrons

Thereore, the net charge is = 16-13

                                              = +3