Write the formulae of the compounds of hydrogen formed with sodium and chlorine.

Name and write the formula of one compound each of hydrogen in which , hydrgen exists in negative oxidation state.

Name and write the formula of one compound each of hydrogen in which , hydrgen exists in positive oxidation state.

Answer the following questions: Write the molecular formulae of the compounds of the following elements with hydrogen by referring to the Mendeleev's Periodic table.C,S,Br,AS,F,O,N, Cl.

Comment on the reactions of hydrogen with chlorine

Write the formula for the following compounds : Tin (IV) oxide.

Write the formula for the following compounds: Tin(IV) oxide

Write the formula for the following compounds: Chromium (III) oxide

M is a bivalent metal. Write down the steps to find the SCImical formulae of its compounds formed with the radicals sulphate and phosphate.

Write the formula for the following compounds : Chromium (III) oxide.

Write answers to the following questions and explain your answers. M is a bivalent metal. Write down the steps to find the chemical formulae of its compounds formed with the radicals : sulphate and phosphate