NEET Practice Questions - Physics - Thermal Properties of Matter

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  • Subject:

    Physics

  • Chapter:

    Thermal Properties of Matter


Generally the ionization enthalpy in a period increase but there are some exceptions. The one which is not an exception is-

(1) Be and B

(2) N and O

(3) Mg and Al

(4) Na and Mg


What are the combining ratios of elements in group l with elements in group VII of the periodic table ?

(1) 1 : 2

(2) 1 : 3

(3) 2 : 1

(4) 1 : 1