magnet 係由咩element 組成?
2006-11-17 19:00:31 · 1 個解答 · 發問者 2003 2 in 科學 ➔ 化學
first of all, all things in the world are combined by element.
magnet is a solid which can creat a magnetic field by itself.
in fact, magnet is formed by some transition metals, for example iron .
2006-11-17 19:20:25 · answer #1 · answered by dave 1 · 0⤊ 0⤋