two isotopes of carbon are carbon-12 and carbon-14. these isotopes difffer from one another by the two...?

2 ⤊

two isotopes of carbon are carbon-12 and carbon-14. these isotopes difffer from one another by the two...?

answer: Protons (??)

another question:

a very stabel electron arrangement in the outer energy level is characteristic of what?

2007-12-31 04:37:55 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

The answer is neutrons, carbon wouldn't be carbon if it had a proton number other than 6.
A stable electron arrangement is 8 electrons in the outer energy level.

2007-12-31 04:45:47 · answer #1 · answered by Blueberry Man 5 · 1⤊ 0⤋

Not protons. All isotopes of carbon have six protons. Think about what else is in the nucleus apart from protons.

Second question: think about which elements are the least reactive.

2007-12-31 12:43:11 · answer #2 · answered by Facts Matter 7 · 1⤊ 1⤋