Fill in the blanks: Elements are substances that consist of atoms. The periodic table consists of over 100 elements all of which have a certain spot on the table.
The elements are also organized in two ways; vertical and horizontal lines called and .
Groups: elements with similar chemical properties in a column.
Period: elements, arranged in a row, whose properties change from on the left to - on the right.

METALS: side of the periodic table.
The majority of elements on the periodic table are . All metals, except for mercury are at room temperature.

Metals have the following properties.
: The ability to be hammered or bent into a shape.
: They are shiny in appearance.
: They can be pulled into a wire.
of electricity: Electricity can travel through the metal.

NON-METALS: side of the periodic table.
Most of the remaining elements in the periodic table are ___ - - .
Non-metals have the following properties:
of electricity in its solid form
At room temperature most are __ _ or ___ .
Solids are and lack the lustre of metals.

METALLOIDS: right of the periodic table
Some elements do not fit as metals or non-metals. These fit on either side of the that divides the metals and the non-metals. They have some properties of metals and some properties of non-metals.

GROUP NAMES:
: This is the group in the periodic table. They are , silver coloured, and at room temperature and react violently with water. They must be stored in oil to prevent them from reacting.
: This is the group in the periodic table. They are light, very reactive, at room temperature and all react with oxygen in the air.
: Theses metals have a wide variety of properties and reactivates. They are generally , strong metals that electricity.
: Non-metals in group 17. They may be solids, liquids or gasses and are extremely .
: They are at room temperature. They have a low melting point and boiling point. They are also very .