An atomic physicist determines that an atom is composed of 8 positively charged particles and has a mass of 15 amu. Which is the

Question

3 years ago

9

An atomic physicist determines that an atom is composed of 8 positively charged particles and has a mass of 15 amu. Which is the

best conclusion that can be drawn?
The atom has 7 neutrons and 8 protons.
The atom has 7 electrons and 8 protons.
The atom has 8 neutrons and 7 electrons.
The atom has 8 electrons and 7 protons.

Chemistry

2 answers:

Yuri [45] · Answer 1 · 2022-03-06T18:34:35+03:00

Yuri [45]3 years ago

6 0

Answer:

Explanation:

protons = mass - neutrons

protons are plus so there are 8 protons.

mass = 15

8 = 15 - neutrons

-7 = - neutrons

neutrons = 7

The first two answers are the same and both are correct.

sattari [20] · Answer 2 · 2022-03-06T20:55:24+03:00

sattari [20]3 years ago

6 0

Answer:

a

Explanation: