plz give answer of question 16 17 18 19 and 20 its urgent plz
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plz give answer of question 16 17 18 19 and 20 its urgent plz
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Answer:
17) A sodium ion has a positive charge because it has more proton than a neutral atom.
18) therefore, if one mole of carbon weight 12 gram, then the mass of one atom of carbon is 2×10-23 gram.
16) Assertion is wrong but the reason is correct.
I known these three answer sorry I didn't give other 2 answer.
Explanation:
hope it will help you.