How many protons are in the nuclues of an atom of beryllium?

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11-10-2016
Chemistry

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How many protons are in the nuclues of an atom of beryllium?

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pm12 pm12 · Answer 1 · 2016-10-11T18:37:50+02:00

pm12 pm12

11-10-2016

Look at your periodic
Table. There are two numbers next to each element. Top number is mass number= protons+ neutrons

Atomic number= number if protons

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Johannes02 Johannes02 · Answer 2 · 2016-10-11T18:41:24+02:00

Johannes02 Johannes02

11-10-2016

Top number is mass number= protons+ neutrons is my answer also

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