J.R. S. answered 10/09/21
Ph.D. University Professor with 10+ years Tutoring Experience
1 all nitrates are insoluble true or false TRUE
2 iron is a transition metal true or false TRUE
3 sodium phosphate is water soluble because it contains a group 1A metal true or false TRUE
4 the oxidation number of nitrogen in nitric acid is 6 true or false FALSE (it is 5+)
5 alminium oxide is a molecular compound true or false FALSE (It is ionic)