2 atoms of Al
3 of S
4*3=12 of O
so total= 17
The answer is b. hot spots
<span>A process or reaction which takes in heat from the surroundings is said to be </span><u>Endothermic.</u>
The subscript is the amount of atoms in each molecule and the coefficient is the amount of molecules. there are 4 Hydrogen, 2 Sulfur, and 8 Oxygen in this particular substance.
Homogeneous mixture that does not settle out upon standing but which will reflect light is called COLLOIDS.
There are three types of homogeneous mixtures, these are: solutions, colloids and suspension. Colloids are usually distinguished by Tyndall effects. Light passing through a colloidal dispersion will be reflected.<span />