How many electrons,protons, and neutrons are in helium?

1 ⤊

How many electrons,protons, and neutrons are in helium?

2007-03-12 11:37:15 · 3 answers · asked by Ashley= 1 in Science & Mathematics ➔ Chemistry

3 answers

Always 2 electrons and 2 protons and most commonly 2 neutrons, but there can be isotopes of helium with 3 or 1 neutron.

See

http://en.wikipedia.org/wiki/Isotopes_of_helium

2007-03-12 11:40:24 · answer #1 · answered by rscanner 6 · 1⤊ 0⤋

2 protons, 2 neutrons, 2 electrons

2007-03-12 11:40:16 · answer #2 · answered by physandchemteach 7 · 0⤊ 0⤋

two electrons are on the orbit of He=helium atom and 2 neutrons+2 protons are i its nucleus.

2007-03-12 13:45:17 · answer #3 · answered by Tuncay U 6 · 0⤊ 0⤋