2007-01-05 13:54:49 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Yep! 21 protons as everyone else said.
2007-01-05 14:58:33 · answer #1 · answered by ebush73 5 · 0⤊ 0⤋
Scandium has 21 protons. 21 stands for the atomic number. An element has the same number of protons as electrons, thus it also has 21 electrons.
2007-01-05 22:02:29 · answer #2 · answered by SweetLuz 1 · 0⤊ 0⤋
21
2007-01-05 21:59:16 · answer #3 · answered by TheBodyElectric 3 · 0⤊ 0⤋
The atomic number is also the number of protons in the atom, so scandium has 21 protons.
2007-01-05 21:56:39 · answer #4 · answered by er_i_m 4 · 0⤊ 0⤋
21. The element number tells you how many electrons and protons the element has unless it is an ion.
2007-01-05 21:57:54 · answer #5 · answered by Cassandra 1 · 0⤊ 0⤋
Hint: the atomic number is always equal to the number of protons
2007-01-05 21:56:43 · answer #6 · answered by The Old Professor 5 · 0⤊ 0⤋
its very simpe
21 protons
2007-01-05 22:34:38 · answer #7 · answered by ibrar 4 · 0⤊ 0⤋