Both are correct
The second is correct. The second is correct. The second is correct. The second is correct.
Both are correct.
The correct answer is 32.36
The correct answer is 1.30
4
There are loads of ways: If the scores for a correct and wrong answers are (108, -1) and you get 1 correct; If the scores for a correct and wrong answers are (132, -2) and you get 1 correct; If the scores for a correct and wrong answers are (156, -3) and you get 1 correct; and so on, OR If the scores for a correct and wrong answers are (65, -2) and you get 2 correct;If the scores for a correct and wrong answers are (88, -4) and you get 2 correct; and so on, OR skipping a whole lot of intermediate possibilities, If the scores for a correct and wrong answers are (4, -12) and you get 24 correct.
The correct name for S3(PO4)2 is trisodium diphosphate.
The correct name for Sr3(PO4)2 is strontium phosphate.
Both may be correct.
Yes, that is correct.
The correct name for Mn(NO2)2 is manganese(II) nitrite.