e start to fill in 4f from lanthanoids thus 58 onwords every dement has e in 4f. Total elements having electrons in 4f = 110 – 57 = 53
Which among the following oxides is neutral in nature?
NextThe atom having the valence shell electronic configuration 4s² 4p² would be in-
(A), (B) and (C) are elements in the second short period. Oxide of (A) is ionic, that of (B) is amph
HardThe basic character of MgO, SrO, K₂O and NiO increases in the order -
HardArrange into the order of increasing basicity (NO₂, K₂O, ZnO) -
HardArrange the following hydrides in their increasing acid strength [CH₄, H₂S, PH₃ and SiH₄] -
HardConsider the M(OH)₃ formed by all the group 13 elements. The correct sequence of acidic strength of
HardThe correct order regarding the electro-negativity of hybrid orbitals of carbon is ?
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