what is the ionization energy of element 21 [scandium] ?

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2007-01-06 04:34:14 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1st ionization energy: 631 kJ/mole
2nd ionization energy: 1235 kJ/mole
3rd ionization energy: 2389 kJ/mole

2007-01-06 04:39:35 · answer #1 · answered by Som™ 6 · 0⤊ 0⤋

1st 633.1 kJ/mol
2nd1235.0 kJ/mol

but why don't you use a period table ?

2007-01-06 04:42:50 · answer #2 · answered by scientific_boy3434 5 · 0⤊ 0⤋