scandium is a transition metal and shows a valency of 3.
Answer: I don't know if this helps you or not, but this is from study.com:
I'm so sorry if it doesn't:
Explanation: Iron(III) oxide reacts with carbon monoxide according to the balanced equation:
Fe₂O₃ + 3CO ➡️ 2Fe + 3CO₂
A reaction mixture initially contains 23.00g Fe₂O₃ and 15.40g CO.
You need to look at the electronegativity and decide wheter the difference of both of the numbers are significant enough to form a polar bond
your answer is c. your welcome
brainliest?
Answer:
C!
Explanation:
only C
A: solid B: liquid : C: GAS