How do the isotopes of Be-9 and Be-7 differ?
A. Be-9 has 2 more electrons than Be-7.
B. Be-9...
Chemistry, 25.02.2021 21:00 laceybabin1952
How do the isotopes of Be-9 and Be-7 differ?
A. Be-9 has 2 more electrons than Be-7.
B. Be-9 has 2 more protons than Be-7.
C. Be-9 has 2 more neutrons than Be-7.
D. There is no difference. They are exactly the same.
Answers: 1
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