number of protons neutrons and electrons in the
Number of protons, neutrons and electrons in the element 231/89 y is:
(1) 89, 231, 89
(2) 89, 89, 242
(3) 89, 142, 89
(4) 89, 71, 89
Ans: 89, 142, 89
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number of protons neutrons and electrons in the element 23189 y is1 89 231 89 2 89 89 242 3 89 142 89 4
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