2006-11-05 02:41:00 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
A substance whose atoms all have the same number of protons. Neutron numbers may vary (these are called "isotopes"). In a neutral (non-charged) atom, the number of electrons equals the number of protons.
2006-11-05 02:45:01 · answer #1 · answered by stevewbcanada 6 · 0⤊ 0⤋
An element is a species which cannot be chemically broken down into simpler species. Currently there are about 114 elements known.
2006-11-05 02:45:06 · answer #2 · answered by TheOnlyBeldin 7 · 1⤊ 0⤋
A substance that cannot be further broken down (decomposed) by chemical means into anything simpler.
Simply said, look at your Periodic Table. If it's not in there, it's not an element.
Hope this helps :)
2006-11-05 02:43:47 · answer #3 · answered by chyrellos 2 · 4⤊ 1⤋
A pure substance, that cannot be broken down into other elements.
2006-11-05 02:44:03 · answer #4 · answered by Anonymous · 2⤊ 1⤋
a pure substance.
2006-11-05 02:48:31 · answer #5 · answered by Anonymous · 0⤊ 2⤋