Elements and compounds and naming - Phoenix Hoyle | Library

1

Elements have _______ type of atom only.

1

Compounds have two or more different _______  chemically joined together in a fixed ratio.

e.g. in CO2 for every atom of carbon there are _______ oxygen atoms.

3

Water is a  _____________ because water has more than type of _________ (chemically combined).
Nitrogen is an element because there is only one  type of _________ .

Other Answer Choices:

element

atom

compound

4

N is the symbol for an element as there is one ____________ letter.
N2  s the symbol for an element as there is one ____________  letter.
CO2 is not the symbol for an element as there is more than one ____________ letter.
Co is the symbol for an element as there is only one ____________  letter.

Other Answer Choices:

capital

3

These are elements that you need to be able to recognise as the name is based on the latin name so the letters are not intuitive.

Na = _______ 
K = _______ 
Pb = _______ 

4

Compounds made up of two elements will have a name ending in "ide"

The name starts with the metal and ends with the non-metal.
Name the following compounds
NaCl = _______ 
MgO = _______ 
AlBr3 = _______ 
FeS = _______ 

4

When oxygen is part of the compound the name tells us how many oxygens there are for each metal atom.

For one oxygen monoxide
For two oxygens dioxide 
and for three oxygens trioxide.

Name the following compounds
CO = carbon _______ 
CO2 = carbon  _______ 
SO2 = sulfur _______ 
SO3 = sulfur _______ 

4

Compounds that contain 3 or more elements including oxygen end in "ate"
Name the following
CaCO3 = calcium carbon_______ 
Na2SO4 = sodium sulf_______ 
Mg(NO3)2 = magnesium nitr_______ 
FeSO4 = iron sulf_______ 

1

A  ____________ 

Other Answer Choices:

element

compond

1

A  ____________ 

Other Answer Choices:

element

compond

1

A  ____________ 

Other Answer Choices:

compond

element

1

An  ____________ 

Other Answer Choices:

element

compond

1

An  ____________ 

Other Answer Choices:

compond

element

1

An  ____________ 

Other Answer Choices:

element

compond

1

A  ____________ 

Other Answer Choices:

compond

element

1

A  ____________ 

Other Answer Choices:

element

compond

1

Oxygen is an ____________ as there is only type of _________ 

Other Answer Choices:

atom

element

1

Helium is an ____________ as there is only type of _________ 

Other Answer Choices:

element

atom

1

Water (H2O) is a _____________  there are more than one type of  _________ chemically joined together in a fixed ratio.

Other Answer Choices:

element

compound

atom

4

	Element	Compound
MgO
Br₂
NaCl
NaBr