Cards in this guide (4)
Which model of a hydrocarbon shows the geometry of the molecule
The correct answer is: The ball-and-stick model.
If a reaction starts with 6 atoms of a solid and 12 atoms of a gas what is known about the products
They will contain 18 atoms total in all the products.
What kind of reaction is 2H2O2 2H2O plus O2
Is most clearly an example of a physical change
A solve dissolves when added to a liquid