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ivanzaharov [21]
2 years ago
15

Q23.An atom's atomic number is 36 and its mass equals 45. How many electrons are in the outermost shell?

Biology
1 answer:
Andrej [43]2 years ago
4 0
D.8
Outermost shell means valence electrons and the 36th element (krypton) has 8 valence electrons
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