Match the substance with its chemical formula.

1. hydroxide ion
2. hydronium ion
3. hydrogen ion

h +

h 3 o +

oh -

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Rays from the sun are not considered matter true or false

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+