Chemistry, 01.08.2019 16:30 Jackiecroce12

Which two notations represent atoms that are isotopes of the same element? a.12150sn and 11950sn b.12150sn and 12150sn c.198o and 199f d.3917cl and 3919k?

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Which two notations represent atoms that are isotopes of the same element? a.12150sn and 11950sn b....