KS3 Y8/9 Chem Trinity - The Periodic Table

Electrons are found in the nucleus of an atom.

A neutron has no charge.

Group 1 metals react with water to produce:

How are elements arranged in the periodic table?

Group 1 metals are very reactive with water.

What happens to melting points down the group 1?

The number of electrons is always equal to the number of protons in a neutral atom.

Which subatomic particle has a negative charge?

Protons and neutrons have the same relative mass.

What does the atomic number of an element tell you?

Where are the noble gases found on the periodic table?

What is the relative mass of a neutron?

What is the key difference between a physical change and a chemical change?

Noble gases are very reactive.

In chemistry, the term "salt" means...

As you go down the group 1,

The atomic number is always bigger than the mass number.

All elements in the same period have the same number of electron shells.

Group 1 metals float and fizz when placed in water.