A and B are two elements . The compound formed with A and B is `A_(2) ,B `. What are the valencies of A and B .

Give examples to a) Elements b) Compounds c) mixtures

An element A forms an oxide A_2O_5 . What is the valency of element 'A' ?

IF A and B are two sets such that A subset B then, What is A cup B ?

If A and B have 3 and 6 elements then the minimum number of elements in A cup B is

A and B are two elements which form AB_(2) and A_(2)B_(3) if 0.18 mole of AB_(2) weights 10.6 g and 0.18 mole of A_(3)B_(3) weighs 17.8 g.Then

A, B and C are three elements forming part of a compound in oxidation states of +2, +5 and -2 respectively. What could be the compound?

SnCl_(2) + HCl + I_(2) rarr A+ B . The compounds (A ) and (B ) are

The element 'A' and 'B' combine together to give two compounds A_(2) B_(3) and AB_(2) . The weight of 0.2 mole of A_(2) B_(3) is 26 gm . The weight of 0.3 mole of AB_(2) is 24 g m . Then the atomic weight of A and B respectively

A_(2)B is an ideal gas , which decompase according f to the equation : A_(2) B to A_(2) + (1)/(2)B_(2) . At start , the initial pressure is 100 mm Hg and after 5 minutes , the pressure is 120 mm Hg. What is the average rate of decomposition of A_(2)B ? Assume T and V are constant .