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Elements and compounds and naming

Last updated 5 months ago
20 questions
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
Brâ‚‚
NaCl
NaBr