Answer:
A.
4Fe + 3O2 2Fe2O3 .........................
Answer:
Both reactivity and electronegativity decrease down a group.
I'm assuming this is multiple choice...
Explanation:
Answer:
I put 7 but im not sure if it correct yet
Explanation:
if point U is on RS but the U to P is 7 units then U must be the midpoint of RS but i have no idea hope this helps
Memorising interviews questions and answers because you don’t want to sound too rehearsed
