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a)which physical and chemical properties would indicate that potassium and sodium belong to the same group or family of elements?

b)which physical and chemical properties would indicate that calcium and magnesium belong to the same group or family of elements?

c)compare the reactivity of the alkali metals with the reactivity of the alkaline each metals.

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2007-07-07 05:23:49 · 2 answers · asked by princess 2 in Science & Mathematics ➔ Chemistry

2 answers

http://www.webelements.com/webelements/elements/text/periodic-table/phys.html

2007-07-07 05:32:10 · answer #1 · answered by Anonymous · 0⤊ 1⤋

a) Melting point, colour, density, chemical nature and composition of compounds.

b) same thing

c) Alkali metals are more reactive.

2007-07-07 05:43:28 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 0⤋