what is potassium and calcium
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they are non metals with attomic no.19 and 20 respectively
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potassium is a alkali metal ,potassium can be described as a silvery white solid .it is used in industry and farming ... calcium is a silver white daivalent metallic element it's example is chalk and gypsum
pranavkumar4:
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it is wrong
what's wrong in ans it is right according to question
hmm
okh
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