Answer:
(B). it's metallic bonding
Answer:
Krypton does not react with anything, but it reacts with fluorine gas
Explanation:
Okay for 8 it is the maximum levels will be higher and for 9 is poor circulation leads to lack of nutrients and oxygen
1-It has to be 3 Fe and not Fe3.
2-The oxygens aren't balanced
Balanced equation:
3Fe+4H2O---->Fe3O4+4H2
