Chapter 3: Elements, Compounds & Mixtures

What is the basic building block of all matter?

• cells

• compounds

• elements

• mixtures

An element is a substance that ___________________.

• can be broken down into two or more simpler substances by chemical methods

• cannot be broken down into two or more simpler substances by chemical methods

• is made up of two or more substances that are chemically combined

• is made up of two or more substances that are not chemically combined

……….. are found in the Periodic Table.

• Only compounds

• Only elements

• Elements and compounds

• Elements, compounds and mixtures

Elements can be classified into ………...

• metals and compounds

• metals and non-metals

• mixtures and compounds

• mixtures and non-metals

In the Periodic Table, elements in the same horizontal row belong to the same …….

• class

• family

• group

• period

In the Periodic Table, elements in the same vertical column belong to the same ……..

• class

• family

• group

• period

In the Periodic Table, elements belong to the same group ………….

• are in the same state of matter

• have different chemical properties

• have similar chemical properties

• show a gradual change from metallic properties to non-metallic properties.

In the Periodic Table, elements belong to the same period ……….

• are in the same state of matter

• have different chemical properties

• have similar chemical properties

• show a gradual change from metallic properties to non-metallic properties

Refer to the Periodic Table in text book.

Aluminium (Al), magnesium (Mg) and chlorine (Cl) are all ………….

• in the same group

• in the same period

• metals

• non-metals

Refer to the Periodic Table in text book.

Phosphorus (P), nitrogen (N) and bismuth (Bi) are all ………...

• in the same group

• in the same period

• metals

• non-metals