Question

A lithium atom contains 3 protons, 4 neutrons and 3 electrons. What would be formed if one proton is added to this atom?
A. a lithium ion
B. a different isotope of lithium
C. a beryllium ion
D. a neutral atom of beryllium

Answer 1

Answer:

Option C. A Beryllium Ion

Explanation:

Given,

Proton=3

Electron=3

Neutron=4

if 1 Proton is added the electrons present and Atomic no. will become 4 which is the atomic number of Beryllium.