Silicon atoms, atomic number 14, have 14 protons in the nucleus. The neutral atom then has 14 electrons. Silicon 28 the most common isotope of silicon has 14 neutrons in the nucleus giving a mass number of 28. The Atomic Mass of silicon 28 relative to carbon12=12. is 27.9769265325(19)
20 electrons
42 electrons
Two electrons from each element are shared; the total is four electrons.
6 valence electrons
3 valence electrons
8 electrons
16 electrons
20 electrons
6 electrons
97 electrons
4 electrons.
4 electrons, 2 valence electrons
Germanium has 32 electrons.
Xenon has 54 electrons.
Argon has 18 electrons.
15 total electrons, 3 valence electrons
Roentgenium has 111 electrons.