Final Exam Revision

There are three parts of an Atom:

• Proton: Positive charge

  Neutron: No charge

  Electron: Negative charge

• Proton: Negative charge

  Neutron: No charge

  Electron: Positive charge

• Proton: No charge

  Neutron: Positive charge

  Electron: Negative charge

The common thing between Protons and Neutrons is:

• They both have the same charge

• They both located inside the nucleus

• Equal in numbers

• They both located outside the nucleus

Physical Change occurs when the substance changes its property but not its chemical nature.

• True

• False

Examples of Physical change:

• Metal rusting

• Sawing wood

• Ice melting

• Cutting paper

Elements can be broken down into simple substances

• True

• False

The mixture is a substance made up of two or more elements ________ combined together.

• Physically

• Chemically

An example of a mixture:

• Salad

• Salt

• Water

• Ammonium Chloride

Choose All Elements:

• Rocks

• Copper

• Jelly beans

• Silver

• Diamond

Choose all compounds:

• Tea

• Salt

• Neon Gas

• Sugar

• Pure Water

An element that has an "Atomic Number" of 5 is