mosleykimberly944
02.02.2020 •
Chemistry
Write the isotopic notation for the element below
the element with 47 protons 47 electrons and 62 neutrons
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Ответ:
Explanation:
is the element silver ?
Ответ:
1.57ft²
Explanation:
A=πr²
d=2r
A=1/4πd²=1/4·π·2² ≈ 3.14159ft²
Divide 3.141 by 2
1.57ft²