What is the mass number for the element? Protons: 2 Neutrons: 1 Electrons: 2

A.) 2

B.) 3

C.) 4

D.) 5

Question

Chemistry

Jesus

15 November, 08:30

What is the mass number for the element? Protons: 2 Neutrons: 1 Electrons: 2

A.) 2

B.) 3

C.) 4

D.) 5

+5

Answers (1)

Know the Answer?

Carl Newman · Answer 1

Answer: The Mass Number would be equal to 3

Explanation:

The mass number of a element is the total number of protons + neutrons found in the nucleus of a single atom. Since there is 2 protons and 1 Neutron 2+1 = 3. Therefore it equals 3

What is the mass number for the element? Protons: 2 Neutrons: 1 Electrons: 2A.) 2B.) 3C.) 4D.) 5

What is the mass number for the element? Protons: 2 Neutrons: 1 Electrons: 2

A.) 2

B.) 3

C.) 4

D.) 5