The number of elements in 5th and 6th period of periodic tab... — Chemistry | Mockzy

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The number of elements in 5th and 6th period of periodic table are respectively -

8, 18

18, 18

18, 32

18, 28

The electronic configuration of an element is 1s²,2s²2p⁶,3s²3p⁴. The atomic numb

Atomic number of Ag is 47. In the same group the atomic number of elements place

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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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