Question

Chemical formula of aluminum phosphate with steps......​

Answer 1

anion PO42

HOPE HELP U.....

Answer 2

1) Remember most common valency of elements which is no. of group they belong to. e.g. Na --> 1, Ca --> 2 , All transition metal ->2 Al belongs to group 13 so 3. C --> 4, then it decreases N ---> 3 O --> 2 F--> 1

2) When an elements shows more than one oxidation states. Name it as follows.

For cations(+ve ions) use "-ium" suffix if it is not already present.

For anions (-ve ions ) there is "-ate", "-ide" ,"-ite". Use is decreasing order of oxidation number.

Al +3 (PO4) -2 ----> Al2(PO4)3