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innocentman69
03.06.2020 •
Mathematics
If the nucleus of an atom contains 12 protons, how many electrons are there in a neutral atom?
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Ответ:
Answer
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Ответ:
tn = 2(3)ⁿ⁻¹
t₃ = 2(3)³⁻¹
t₃ = 2(3)²
t₃ = 2(9)
t₃ = 18
The third term is 18