2 years ago

An atom is made of 16 protons, 17 neutrons, and 18 electrons. What is the mass number of

Chemistry

1 answer:

Nataliya [291]2 years ago

6 0

Answer:

The answer is 33 .

Explanation:

The mass number of an atom is the atomic mass which consists of proton and neutron. This atom has 16 protons and 17 neutrons so it has a mass of 33 :

proton number + neutron number = nucleon number / atomic mass

16 + 17 = 33

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