asmo2emizbKristin asmo2emizbKristin

31-12-2015
Chemistry

Answered

The charge of a beryllium-9 nucleus is

(1) +13 (3) +5

(2) +9 (4) +4

Verified Answer :

31-12-2015

(4) +4 is your answer, since it is consisted of 4 protons and 5 neutrons.

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Billymkhoi Billymkhoi

31-12-2015

Beryllium has an atomic number of 4, so a beryllium atom has 4 protons in its nucleus.

Since the charge of 1 proton is +1 and neutrons in the nucleus have 0 charge, the correct answer is (4) +4.

Hope this helps~

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