2006-09-12 09:29:35 · 3 answers · asked by Nessa 1 in Science & Mathematics ➔ Physics
Elecctrons have negative charge and protons have a positive charge. When a stable atom loses an electron it loses a -(minus) so it becomes a positive ion. If it gains one it becomes a negative ion (it gained a minus).
Atoms always "want" to be stable so they tend to share electrons with other atoms to stabilise.
2006-09-12 12:48:36 · answer #1 · answered by Yahoo! 5 · 0⤊ 0⤋
Electrons have a negative charge, protons a positive charge. If you have more electrons, you have a net negative charge, more protons means a net positive charge.
2006-09-12 18:21:50 · answer #2 · answered by msi_cord 7 · 0⤊ 0⤋
Each proton has one positive elementary electric charge, and each electron has one negative elementary electric charge.
2006-09-12 16:32:58 · answer #3 · answered by Deep Thought 5 · 0⤊ 0⤋