16. Mg(OH)2 +
H. PO.-> |Mg(PO2 +
H2O
2,3,6,1
3, 3, 1,6
3, 2, 1,6
2,3,1,3

17. Cr+Fe(NO.)2 ->
Fe +_ Cr(NO3)2
4,6,6,2
0 2,3,2,3
0 1,3,3,1
02.3, 1.2
0 2,3,3,2

these are two questions separated but I would REALLY appreciate if someone could do them it’s for a test

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

mark him as !

you need to have a picture of the atom that way we can answer it