өркежан

Electron configuration of nitrogen

• 1s₂ 2s₂ 2p₃.

• 1s²2s²2p⁴

• 1s²2s²2p⁶3s²3p⁴

Physical properties of ammonia

• dull, sharp smell

• liquid,sharp smell

• colourless gas , sharp smell

Boiling and melting points of ammonia

• -33.4 and -33.5

• -33.4 and -77.8

• -33.4 and -70

Nitrogen has ___ valence electrons

• 4

• 5

• 6

Oxidation states of nitrogen

• +2 , +3 , +4 , +5

• -3 , -1 , -2 , -5

• -3, +1, +2 , +3 , +4 , +5

Nitrogen is ….

• Colourless with a sharp smell

• Colourless odourless tasteless

• colourless fuming liquid

Ammonia is used

• in the production of rubber ,paper, textile , dye , medicine,explain

• dyes,medicine,paper

• bleaching powder and artificial rubber

Nitrogen gas doesn’t react with

• acids,bases,water,halogens at STP

• acids and bases

• nonmetals and metals

The balance of process which put nitrogen into the air and processes which remove nitrogen from the air is called

• Nitrogen cycle

• Nitrate former

• Nitrogenous molecules

Nitrogen atom can have maximum ….bonds

• 4

• 3

• 2