Complete the statements given below by filling in the blank with the correct words.
Atom contains ___________[neutron/nuclueus], with positively charged_______[electrons/protons].

Complete the statements given below by filling in the blank with the correct words. The basic unit of an element is a/an__________[molecule/atom/ion]

Complete the statements given below by filling in the blank with the correct words. The formula of silver [I] chloride is __________ [AgCl//AgCl_(2)]

Complete the statements given below by filling in the blank with the correct words. Element __________[calcium/lead/carbon]has the symbol derived from its Latin name plumbum.

Complete the statements given below by filling in the blank with the correct words. The valency of iron in FeO is __________[ 2^(+)//1^(+)] of chlorine [chloride ] in CaCl_(2) is ___________ [1^(-)//2^(-)] and of dichromate in K_(2)Cr_(2)O_(7) is _______ [2^(+)//2^(-)]

Fill in the blanks in the factor trees given below

Fill in the blanks in the factor trees given below

Complete the statements by filling in the blank with the correct word/s: The metal which reacts with steam and the reaction is reversible is _______[calcium/iron]

Complete the statements given below by filling in the blank with the correct words. From the elements -He, Br, Pt & O, the element which forms a polyatomic molecule is __________ & which is liquid at room temperature is _____________

Complete the statements by filling in the blank with the correct word/s: Decomposition of silver salts in the presence of sunlight is an example of __________[double decomposition/photochemical decomposition]

Complete the statements by filling in the blank with the correct word/s: The reaction of coke with steam to give water gas is an example of an_______[exothermic/endothermic] reaction.