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Luden [163]
3 years ago
9

The atomic mass of the most common isotope of carbon is _______.

Biology
2 answers:
Lana71 [14]3 years ago
5 0

Answer:

1.) The atomic mass of the most common isotope of carbon is 12.

2.) The element with an atomic number of 4 is beryllium.

3.) Electrons exist in orbitals around the nucleus.

4.) Oxygen has 8 protons in the nucleus.

5.) An isotope of an element has the same number of protons but a different number of neutrons.

tatiyna3 years ago
4 0

Answer:

12

beryllium

Electrons

8

neutrons

Explanation:

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