From the list given below, elements which belongs to the sam... — Chemistry | Mockzy

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From the list given below, elements which belongs to the same group or sub-group are -

Atomic number = 12, 20, 4, 88

Atomic number = 8, 16, 34, 2

Atomic number = 11, 18, 27, 5

Atomic number = 24, 47, 42, 55

238/92 U (IIIB) changes to 234/90 Th by emission of α-particle. Daughter element

The name ‘Rare earths’ is used for -

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(A), (B) and (C) are elements in the second short period. Oxide of (A) is ionic, that of (B) is amph

The basic character of MgO, SrO, K₂O and NiO increases in the order -

Arrange into the order of increasing basicity (NO₂, K₂O, ZnO) -

Arrange the following hydrides in their increasing acid strength [CH₄, H₂S, PH₃ and SiH₄] -

Consider the M(OH)₃ formed by all the group 13 elements. The correct sequence of acidic strength of

The correct order regarding the electro-negativity of hybrid orbitals of carbon is ?

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