why alkali metals have the largest covalent radii?

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2006-11-18 03:31:55 · 2 answers · asked by ANGELIC F 1 in Science & Mathematics ➔ Chemistry

They have only one electron in the outer level, and a good level of screening of it by the inner levels. This makes the force of attraction very low.

2006-11-20 05:39:35 · answer #1 · answered by Gervald F 7 · 1⤊ 0⤋

because they have only electron in outer most electron and makes the force of attaraction very low

2015-01-23 19:32:44 · answer #2 · answered by ? 1 · 0⤊ 0⤋