How are compound formed?

Atoms of element X form hcp lattice and those of element Y form occupy 2/3rd of the tetrahedral voids. Determine the formula of the compound formed by the elements X and Y?

Metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.

The atomic number of an element X is 20 while the atomic number of an element Y is 24.What is the nature of the bond formed between X and Y?Give the electron-dot structure of the compound formed.

How are amides formed? Name two important amides found in plants.

How carbonyl compound are purified by so-dium bi sulphite reaction?

Which of the transition metal forms green compound in its +3 oxidation state and yellow to orange compound in +6 oxidation state?

A compound is formed by two elements M and N. The elements N forms ccp and atoms of element M occupy 1//3rd of tetrahedral voids. What is the formula of the compound.