The charge of the nucleus of an atom of an element is 3.2 * 10 ~ 19 C. What is the number of electrons in an atom?
| August 25, 2020 | Education
The charge of the nucleus of an atom of an element is 3.2 * 10 ~ 19 C. What is the number of electrons in an atom? Using the Periodic Table of Chemical Elements D.I. Mendeleev, name this element.
decision
N = q / e = 3.2 * 10 ^ -19 / 1.6 * 10 ^ -19 = 2
The element is helium.
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