3 years ago

A beryllium atom contains 4 protons, 4 neutrons and 4 electrons. What is the atomic number of beryllium?

Biology

2 answers:

Ugo [173]3 years ago

5 0

Answer:

Beryllium's atomic number is 4

Explanation:

<u>Reason</u>

Beryllium has 4 protons, 4 neutrons, and 4 electrons.
This makes it a nuetral atom meaning that it contains an equal amount of protons and electrons
This means that beryllium has a atomic number of 4

poizon [28]3 years ago

5 0

Answer:

the atomic number 4

Explanation:

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