A group of ions are given below. Find one pair which is NOT isoelectronic. `Na^+`, `Al^(3+)`, `Ca^(2+)`, `Br^-`, `F^-`.

A group of ions are given below . Find one pair which is NOT isoelectronic. Na^(+) , Al^(3+) , O^(2-) , Ca^(2+) , Mg^(2+) , F^(-) , N^(3-) , Br^(-)

The anion O^- is isoelectronic with N^(2-) , F^- , N^(3-) , Ne

Which of the following are isoelectronic species? Na^(+) , K^(+), Mg^(2+), Ca^(2+),S^(2-),Ar

K^+ and Ca^(2+) are isoelectronic with Argon. Explain what is isoelectronic ions.

Group of ions are given below: Na^+ , Al^(3+) , O^(2-) , Ca^(2+) , Mg^(2+) , F^- , N^(3-) , Br(-) Two of the above ions are not isoelectronic. Identify them.

A group of ions are given below: Na^+ , Al^3+ , O^2- , Ca^2+ , Mg^2+ , F^- , N^3- , Br^- a) Find the pair which is not isoelectronic. b) Arrange the above ions in the increasing order of size.

A l^(3+)' is not isoelectronic with (1)Ne (2)Na^+ (3)F^- (4)Ca^2+

Which of the following species is isoelectronic with Ne? : H_(2)O , C^(4-) , Na^- , NH_(2)^(-)

Extraction of aluminium be understood by : Electrolytic reduction Al_(2)O_(3) : Electrolyte : Al_2O_(3) + "Cryolite" + CaF_2 Carthode : Carbon inside the Fe container Anode : Graphite rods The molten electrolytes contain Na^+, Al^(3+), "and" Ca^(2+) but only Al gets deposited at cathode because,

A graph is given below. Analyse the graph find the trend of atomic radius in this group.