Grade 9 Science Exam Review

Front

Which is not an example of a chemical reaction?

• Substance changes colour
• A precipitate is formed
• Substance breaks in half
• Change in temperature

Back

Substance breaks in half

Front

A pure substance is made up of only one particle.

Back

True

Front

A change in which the composition of a substance remains the same and no new substance has been created.

Back

Physical change

Front

An element that has properties of both metals and non-metals

Back

Metalloid

Front

Which family does "Na" belong to? Alkaline Earth Metals, Alkali Metals, Noble Gases, Halogens

Back

Alkali Metals

Front

Which family is highly reactive, and is a gas at room temperature?

Back

Halogens

Front

What do you call a row on the periodic table?

Back

Period

Front

Which scientist stated all matter is made up of atoms, the atoms are all the same for one substance, and different for different substances?

Back

Dalton

Front

Who stated that there are neutral particles, called neutrons, in the nucleus, roughly the same size as protons?

Back

Chadwick

Front

What is the test for carbon dioxide gas?

Back

Flaming splint