Help With the Elements would be greatly appreciated!!?

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Help With the Elements would be greatly appreciated!!?

Which part of an atom has a mass approximately equal to 1/2000 of the mass of a common hydrogen atom?
a. nucleus c. proton
b. electron d. electron cloud

2007-10-30 06:42:42 · 5 answers · asked by -BrownEyedBeauty- 1 in Science & Mathematics ➔ Chemistry

5 answers

b. Electron

2007-10-30 06:47:52 · answer #1 · answered by steve_geo1 7 · 1⤊ 0⤋

The nucleus of a hydrogen atom is just a proton, and an electron orbits it. The electron is TINY compared to the mass of the proton, so i think b is your answer

2007-10-30 07:03:12 · answer #2 · answered by roberta 3 · 0⤊ 0⤋

B-electron

2007-10-30 08:20:38 · answer #3 · answered by Anonymous · 0⤊ 0⤋

http://chemistry.about.com/

2007-10-30 09:16:49 · answer #4 · answered by novabludag 2 · 0⤊ 0⤋

2007-10-30 06:51:02 · answer #5 · answered by ChemTeam 7 · 0⤊ 0⤋