Biology, 10.07.2019 09:30 johannah51
14.the element above is a(n): a helium atom b lithium atom c beryllium atom d beryllium isotope 15.this atom's charge is a +4 b -4 c neutral d not enough info given 16.this atom has an atomic mass of __ and an atomic number of __ a 12, 8 b 4, 8 c 8, 4 d 4, 4
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14.the element above is a(n): a helium atom b lithium atom c beryllium atom d beryllium isotope 15...
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