The elements are organised by:

John Dalton created a periodic table of elements. He organised them based on:

Mendeleev's Periodic Law states:

Metals are found on the right side of the periodic table.

K is the chemical symbol for

Non-metals are found on the right side of the Periodic Table.

Henry Moseley developed the modern Periodic Table. He organised elements based on their:

Metals have many properties. Which of the following is NOT a property of a metal?

You are investigating a substance which is brittle, and a poor conductor. This substance is likely to be a:

Metals form _______ ions when reacting.

Groups 3-12 are known as the

There are ___ periods on the Periodic Table.

Group 1 metals are known as the:

Group 18 elements are highly reactive.

Silicon is a:

The atomic number of beryllium (Be) is:

There are _____ groups on the Periodic Table.

Elements in the same group have the same number of:

Elements in the same period have the same:

Dobereiner was a scientist who discovered that some elements have similar properties. He organised them into:

Elements in the Periodic Table are organised, without exception, by increasing atomic mass.

Aluminium is found in group

Newlands was a scientist who discovered that elements had repeating properties. He organised elements into:

The Periodic Table only contains naturally occurring elements.

All electron shells can hold the same number of electrons.