Find out what is common in the species `N^(3-),O^(2-), F^-, Na^+, Mg^(++), Al^(+++)`.

Find the common factors of the given terms. 2x, 3x^2,4

Find out the oxidation number of bromine in Br_3O_8

Arrange the following in the increasing order (any three) : (i) F^- , Li^+ , Na^+ , Cl^- N, F, O, Ne (ionic radius )

What is the covalence of N_2O_5 ?

Arrange the following in the increasing order. (i) Na^+, Mg^(2+) , O^(2-) , N^(3-) (ionic radius)

How many neutrons and protons are there in the following nuclei. 6C^(13), _8O^(16) , _12Mg^(24) ,_26 Fe^(56) , _38Sr^(88) , _11Na(23)

What are isoelectronic species? Select the isolectronic species from the following. Li^+ , N^(3-), Rb^+ , F^- , Ar , He

Find the domain and range of f if . f(x)=(x^2-2x-3)/(x^2-9)

The size of isoelectronic species F^- , Ne and Na(+) is affected by