3 years ago

PLEASE HELP ASAP!!!!!!

Chemistry

2 answers:

wariber [46]3 years ago

5 0

Answer:

D 17 amu

Explanation:

because all you have to do is add 9+8=17 :)

Gre4nikov [31]3 years ago

4 0

The mass of the nucleus is 17 amu.

Explanation

Given :

Number of Protons = 8

Number of Neutrons = 9

To Find :

Mass of the nucleus = ?

Solution :

The mass of the nucleus Mass= p+n

Where

p= protons in the atom

n= neutrons in the atom

So, substituting the values

Mass= 8+9

Mass= 17 amu

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