PDF chapter test TRY NOW
Match the atom or element with their valency.
| S.No. |
Valency
|
Atom
|
|
1.
|
\(0\)
|
|
|
2.
|
\(1\)
|
|
|
3.
|
\(2\)
|
|
|
4.
|
\(3\)
|
|
Answer variants:
\(S\)
\(He\)
\(B\)
\(Cl\)
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