What is an ion?

What is an anion?

What is a cation?

What characteristics do Group 1 metals share?

What is the trend as you go down Group 1 of the periodic table?

Why do Group 1 elements have similar properties?

Why does the reactivity of Group 1 elements increase down the group?

What is another name for Group 7 elements?

What is the trend as you go down Group 7 of the periodic table?

How can you see the trend in reactivity in Group 7?

What are the 3 sub-atomic particles in an atom?

What are the relative charges of protons, neutrons and electrons?

If an atom loses an electron, what charge will it have as an ion?

If an atom gains an electron, what charge will it have as an ion?

What are isotopes?

Do isotopes have to be radioactive?

How many electrons can be held in the first shell of an atom?