1.

Considering atomic number 2,4 24 and 42 identify the incorrect statemetn.

Answer»

Maximum first ionisation potential belongs to `Z =2.`
`Z = 24 and Z =42` belong to the same GROUP of the periodic table.
All elements with the above atomic numbers form OXIDES that are basic.
None of the above atomic numbers belong to the f-block.

ANSWER :C


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