Question

What is the definition of nucleus?

Answer 1

atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom. definition for science.

Step-by-step explanation:

important part of an object, movement, or group

Answer 2

The central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Step-by-step explanation:

hope this helps!