2006-11-25 17:30:08 · 4 answers · asked by imbecile 1 in Science & Mathematics ➔ Physics
I think ths question refers to the mass defect whcih is explained here:
2006-11-25 19:28:26 · answer #1 · answered by Robert K 6 · 0⤊ 0⤋
I think it's because while most hydrogen consists of a single electron and proton, there are isotopes of hydrogen such as deuterium and tritium that contain additional atomic particles which raises the nuclear mass slightly. That's my best guess.
2006-11-26 01:37:10 · answer #2 · answered by DavidNH 6 · 0⤊ 0⤋
If you're referring to the atomic weight, the previous answer is correct. Atomic weight as listed in the periodic table is the average of naturally occuring isotopes.
2006-11-26 01:41:43 · answer #3 · answered by Anonymous · 0⤊ 0⤋
The atomic weight of any element is the weighted average of its various isotopes.
2006-11-26 01:43:43 · answer #4 · answered by grotereber 3 · 0⤊ 0⤋