Early periodic table summary

Why was Mendeleev's idea accepted?

The modern periodic summary

Group 1- alkali metals summary

What does reacting and alkali metal + water give you?

When the alkali metals react, what charge do they form?

List some properties of alkali metals.

The transition elements summary

Name some physical properties of the transition metals.

The halogens summary

Name some properties of the halogens.

Name a reactivity trend in group 7

Hard water summary

How does Hard water gain dissolved calcium and magnesium ions to become hard?

Removing hardness summary

Water treatment summary

What should water made for drinking contain?

What is the job of a calorimeter?

What is the formula for calculating the energy released?

Comparing the energy released by fuels summary

Energy transfers in solutions summary

Energy level diagram summary

Show a energy level diagram for an exothermic reaction.

Show an energy level diagram for an endothermic reaction.

Is an endothermic reaction bond breaking?

Is an exothermic process bond making?

Bond making and bond breaking.