Y7 compounds naming mainly

Which statement best describes a compound?

• A substance made of only one type of atom

• A substance made of molecules

• A substance made of two or more elements chemically bonded together

• A substance made of a metal and a non-metal chemically bonded together

A compound is a substance made up of atoms of ​ (a)   elements the properties of a compound are ​ (b)   the properties of the elements it is made of. A molecule is a group of ​ (c)   or more atoms ​ (d)   joined together.

• two or more
• different from
• two
• strongly
• one
• the same as
• weakly
• three

Sort the chemistry terms into their correct categories.

Groups:

(a) TYPES OF SUBSTANCE

,

(b) TYPES OF PARTICLE

• element

• molecule

• compound

• atom

The periodic table shows two elements: Na and O. Which option is correct?

• Both Na and O are metals

• Na is a metal and O is a non-metal

• Na is a non-metal and O is a metal

• Both Na and O are non-metals

The periodic table shows two elements: Ba and F. Which option is correct?

• Ba is a metal and F is a non-metal

• Both Ba and F are metals

• Ba is a non-metal and F is a metal

• Both Ba and F are non-metals

The periodic table shows two elements: Fe and O. Which option is correct?

• Both Fe and O are non-metals

• Fe is a non-metal and O is a metal

• Both Fe and O are metals

• Fe is a metal and O is a non-metal

To name a compound made of a metal and a non-metal, first write the ​ (a)   element. Then write the ​ (b)   element and change its ending to ​ (c)  

• metal
• non-metal
• -ide
• -ate

Organise the substances into the right categories.

Groups:

(a) metal element

,

(b) non-metal element

,

(c) metal/non-metal compound

,

(d) non-metal/non-metal compound

• iron chloride

• sulphur dioxide

• chlorine

• carbon dioxide

• sodium

• calcium

• oxygen

• magnesium oxide

Use the periodic table to name the compound formed from O and Fe.

(a)  

Magnesium burns in oxygen to produce a white powder. What is the name of this white powder?

• Magnesium oxide

• Magnesium chloride

• Magnesium sulfate

• Magnesium carbonate