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20 votes
20 votes
Place the following elements in order from MOST to LEAST reactive:

Carbon
Iridium
Helium
Sulfur
Hydrogen

User Diewie
by
3.0k points

1 Answer

16 votes
16 votes
Carbon is 6
Iridium is 77
Helium is 2
Sulfur is 16 ( not sure)
Hydrogen is 1
So
Hydrogen
Helium
Carbon
Sulfur
Iridium
Sorry if I’m incorrect.
User Jason Pawlak
by
3.2k points