Chemistry, asked by Huda3911, 8 months ago

An atom with atomic number 4 and atomic mass 9, choose the correct atom

Answers

Answered by Anonymous
0

Answer:

berylium is the correct answer

Answered by raunittrehan
0

Beryllium (Be) is an element whose atom has atomic number 4 and atomic mass 9.

It contains 4 electrons, 4 protons and 5 neutrons

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