Answer:
12.7m
Explanation:
FORMULA
for an approximate result, divide the length value by 39.370078
Explanation: See images below for explanation
In the nucleus of an atom ,there are protons & neutrons. Protons have charge of 1.6× 10^-19 C, while neutrons have 0C charges. Electrons orbit outside the atom. Their charge is - 1.6 ×10^-19C
