Write the formula and mention the nature of comound formed by themail union of,pottasium19,and element X(2,8,7)
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potassium has valency 1
element x is atomic no of 2+8+7=17
so that is cl chlorine
it has valency -1
so they combine and form KCl
it is acidic
element x is atomic no of 2+8+7=17
so that is cl chlorine
it has valency -1
so they combine and form KCl
it is acidic
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