PLEASE HELP ME FAST)Part II. Filtration 1. Can you separate a mixture of CuSO4 and water using filtration? 2. Would it be possible to separate the mixture of ferric oxide and water using filtration? 3. Why is it possible to separate a mixture of ferric oxide with water but not a mixture of copper (II) sulfate with water?

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72