Question

1. In the atom, which particles are in constant motion

around the nucleus?
a. protons
b.protons and neutrons
c. neutrons
d. electrons

Answer 1

d. electrons

Step-by-step explanation:

protons and neutrons are in/form the nucleus but electrons are in constant motion around it.

Answer 2

Electrons

Step-by-step explanation:

The electrons have a negative electrical charge. An atom usually contains an equal number of positively charged protons and negatively charged electrons.