Question

Atoms have a central core called ________ which is surrounded by ________.

• A. nucleus
• B. electrons

Answer 1

• According to the structure of an atom, it has centrally located dense structure of positive charge called nucleus.
• The positive charge is due to the presence of positively charged protons in it.
• The electrons revolve in the circular paths called orbits around the nucleus.

Therefore, atoms have a central core called nucleus which is surrounded by electrons.