Answer:
13
Explanation:
on the periodic table you can find it under the abbreviation AI
Probably gas because it will reach Nobel gas state
A sound wave is a longitudinal wave
For electrical resistance, the unit is Ohm. The symbol is capital greek O.
The density would decrease because the mass of an object deals with the amount of atoms in the object and since none of the object was reduced "a" wouldn't be the answer. Depending on the amount and period of time that the heat is applied the liquid could change into a gas so "d" wouldn't be correct. Density is the mass÷ volume, and when you add heat to an object it could take up different amounts of space because of its particles gaining energy and spreading apart. So the density would decrease because of the volume increasing. So I believe that "c" is the answer.
