Answer:
The correct option is;
It is always necessary to include a Roman numeral after the symbol of the metal
Explanation:
The transition metals can form ionic compounds with other elements by giving different number of electrons such that the transition metals can combine to form compounds in which they have different oxidation states
Therefore, in a compound formed by a transition metal, the value of the transition metal's valency or oxidation state in the compound is indicated by the inclusion of an equivalent Roman numeral after the transition metal in the name of the chemical formula of the compound
You should write to make it a different way like with eye contact solution, laundry detergent, etc. You could also write to see if lotion would have an affect on the expandable-ness
Explanation:
nH2O=35/18
xH2O=35/18x6.02x10 powered by 23
so, the answer is

im sry if im wrong
<span>A. the sum of the protons and neutrons in one atom of the element</span>
Answer:
the molecules slow down and get more dense
Explanation:
you seem to slow down when its cold too...