why electron effinity of beryllium and magnesium is positive?

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why electron effinity of beryllium and magnesium is positive?

2006-08-02 06:07:24 · 3 answers · asked by balwinder s 1 in Science & Mathematics ➔ Chemistry

3 answers

Beerylium and magnesium, being in column 2 of the periodic table, are metals that like to give away their outer electrons.So they then become positive ions .

2006-08-04 15:42:42 · answer #1 · answered by science teacher 7 · 0⤊ 0⤋

the affinity is positive because they'd rather give up electrons than grab more

2006-08-02 13:15:46 · answer #2 · answered by shiara_blade 6 · 0⤊ 0⤋

I think it is affinity....?
Try to read
http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch7/ie_ea.html

2006-08-02 13:14:07 · answer #3 · answered by Marianna 6 · 0⤊ 0⤋