s-Block ElementsHard
Question
Which of the following statement is incorrect :-
Options
A.Most of the actinide element are man made
B.Radium is the first man made element
C.Alkali metal are lightest metal
D.Alkaline earth metal are good reducing agent
More s-Block Elements Questions
Match the compounds /metal in (X) with their uses in (Y) : X YA. liquid sodium metal I breathing apparatus in submarineB...Crude common salt becomes damp on keeping in air because :...A fire work gave bright crimson light. It probably contained a salt of :...The ionization enthalpies of the alkali metals decrease down the group from Li to Cs because :...Solution of K2O in water is basic, because it contains a significant concentration of :...