A) Salt, because salt can easily dissolve in water. Oil would not dissolve or evaporate in water (think of an oil spill - does that oil dissappear?). Aluminum foil would definitely not dissolve in water, so it is not soluble.
The correct scientific notation is 7.82 x 105 g
109.5
tetrahedral shape:
number of electron pair = 4,
number of bonded pair = 4,
number of lone pair = 0.
What are the answer choices?
Answer:
There is nothing attached to this question so I unfortunately cannot help you
Explanation: