Question

Match the Column A with Column B. [5]

Column A Column B

a) 6.023x1023 atoms of an element i) Valency

b) The substance formed during a

chemical Rxn

ii) Chemical formula

c) A group of –vely or +vely charged

atoms

iii) products

d) The no. of Hydrogen atoms which

combine with one atom of an

element

iv) 1gm-atom

e) Symbolic representation of a

chemical compound

v) Radical​

Answer 1

Explanation:

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Answer 2

Answer:

a) 6.023 × 10^23 -------------- iv) 1gm - atom

b) The substance formed during a chemical rnx---------------------------------- iii) products

c) A group of -vely or +vely charged atoms------------------------------ v) radical

d) The no. of hydrogen atoms which combine with one atom of an element --------------------------------------- i) valency

e) Symbolic representation of a chemical compound ----------------------- ii) chemical formulae