➦ The atomic no. of two elements A & B are 1 & 20 respectively. If they form a compound, what will be its formula & the nature of the compound (ionic or covalent)?
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[Note:- No copied ans needed, otherwise it will be reported, only the correct one will be marked as the brainliest].
Answers & Comments
Answer:
Formula would be BA2 . The compound will be ionic
Verified answer
[tex]Atomic \: no. \: of \: 2 \: elements \\ A \: and \: B \\ \\ 1 = Hydrogen \\ \\ 20 = Calcium [/tex]
[tex]Calcium \: hydride \: ( C a H _{2}) \\ is \: an \: ionic \: compound \: that \\ is \: formed \: when \: calcium \\ metal \: reacts \: with \\ hydrogen \: gas[/tex]