Hydrogen
Nitrogen
Phosphorous
Sulfur
Random
100
Dinitrogen tetrahydride
What is N2H4
100
Nitrogen monoxide
What is NO
100
Phosphorous trichloride
What is PCl3
100
Dihydrogen monosulfide
What is H2S
100
Carbon monoxide
What is CO
200
Phosphorous trihydride
What is PH3
200
Nitrogen trifluoride
What is NF3
200
Diphosphorus pentoxide
What is P2O5
200
Sulfur dioxide
What is SO2
200
Iodine trichloride
What is Icl3
300
Nitrogen trihydride
What is NH3
300
Dinitrogen monoxide
What is N2O
300
Phosphorous trihydride
What is PH3
300
Sulfur trioxide
What is SO3
300
Silicon dioxide
What is SiO2
400
dihydrogen monoxide
What is H2O
400
Nitrogen triiodide
What is NI3
400
Phosphorous pentachloride
What is PCl5
400
Sulfur hexafluoride
What is SF6
400
Carbon tetrachloride
What is Ccl4
500
dihydrogen monosulfide
What is H2S
500
Dinitrogen tetraoxide
What is N2O4
500
Phosphorus pentabromide
What is PBr5
500
Disulfur decafluoride
What is S2F10
500
Diarsenic pentoxide
What is As2O5
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