Question

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?

O A. 10
OB.
20
O C. 30
OD 0
O E. 200

Answer 1

A 10 neutrons

Step-by-step explanation:

A 10 neutrons is the number of neutrons in an atom of atomic number 10 which is neon