Question

Write the formula of the compounds formed from the following elements
(i) Sodium and Oxygen
(ii) Aluminium and Chlorine
(iii) Calcium, carbon and Oxygen
(iv) Sodium, hydrogen, carbon and oxygen

Answer 1

Answer:

i)Na 2O.

ii)AlCl₃

iii)CaCO3

Answer 2

Answer:

(i) NA 2p

(ii) AICI3

(iii)CACO3

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