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74. 1)Na+ and Me both are isoelectric with 2s2 2p6 outer electronic configuration.Their IEvalues are related as 1)Δ HNa+=Δ HNe 2)Δ HNa+▶Δ HNe 3)Δ HNa+◀Δ HNe 4)none of the above 2)The no.of elements present in period is given by? A)the no.of orbitals filled B)Half of the no.of orbitals filled C)Twice the no.of orbitals filled D)Equals to the no.of sub shell in the principle quantum no.of the period 3)The lustrous nature of metal is attributed to their A)Density is high B)crystalline nature C) High polished surface D)Ability to reflect light by mobile electrons |
| Answer» 74. 1)Na+ and Me both are isoelectric with 2s2 2p6 outer electronic configuration.Their IEvalues are related as 1)Δ HNa+=Δ HNe 2)Δ HNa+▶Δ HNe 3)Δ HNa+◀Δ HNe 4)none of the above 2)The no.of elements present in period is given by? A)the no.of orbitals filled B)Half of the no.of orbitals filled C)Twice the no.of orbitals filled D)Equals to the no.of sub shell in the principle quantum no.of the period 3)The lustrous nature of metal is attributed to their A)Density is high B)crystalline nature C) High polished surface D)Ability to reflect light by mobile electrons | |