Question

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

Answer 1

as per me this would be the answer
CH4
H2S
HBr
AsH3
HF
H2O
NH3
HCl

Answer 2

Hey...!! HERE IS YOUR ANSWER...!!

CH4 Methane

H2S Hydrogen Sulphide

HBr Hydrogen Bromide / Hydrobromic Acid

AsH3 Arsenic Hydride

HF Hydrogen Fluoride / Hydrofluoric Acid

H2O Dihydrogen Oxide / Water

NH3 Ammonia

HCl Hydrogen Chloride / Hydrochloric Acid

HOPE IT'S WILL HELP YOU A LOT...!!