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Elements, Compounds and Mixtures Flashcards | StudBud
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Elements, Compounds and Mixtures
Elements, Compounds and Mixtures
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Chemistry Revision on Elements Compounds and Mixtures
Flashcards
22 cards
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Questions
22
Answers
1
When two of the same atoms are joined together...
a compound forms
an element forms
a mixture forms
a molecule forms
2
What does this diagram show?
mixture of compounds
pure compound
mixture of elements
pure element
3
Naming Compounds: When two different elements combine the ending is usually ...
-ide
-ate
4
What is the chemical formula for methane?
CH4
CO2
NaOH
HCL
5
Is water an element, compound or mixture?
none of these
mixture
element
compound
6
What is the chemical formula for Carbon Dioxide?
HCL
NaOH
CO2
CH4
7
What does this diagram show?
pure element
mixture of compounds
mixture of elements
pure compound
8
What does this diagram show?
mixture of compounds
pure element
mixture of elements
pure compound
9
What is the chemical formula for Hydrochloric Acid?
HCL
CH4
CO2
NaOH
10
What is the chemical formula for Sodium Hydroxide?
H2O
HCL
CO2
NaOH
11
An element contains ...
just one type of atom
two or more types of atom
two or more types of atom joined together.
two or more substances that are not joined together.
12
Naming Compounds: When 3 or more different elements combine and one is oxygen, the ending is
-ate
-ide
13
A mixture contains ...
just one type of atom.
two or more types of atom joined together
two different substances that are not joined together
14
How many atoms are there in total in Calcium carbonate (CaCo3)?
3
4
5
2
15
Is this an element, compound or mixture?
compound
element
mixture
none of these
16
How many sodium atoms are there in a salt molecule (NaCl)?
2
0
1
3
17
Compounds contain ...
three elements mixed together
two or more elements mixed together
one element
two or more elements joined together
18
A compound contains ...
just one type of atom.
two or more types of atom joined together
two different substances that are not joined together
19
Is this an element, compound or mixture?
compound
element
none of these
mixture
20
How many hydrogen atoms are there in water (H2O)?
4
3
2
1
21
What does this diagram show?
pure compound
mixture of elements and compounds
none of these
mixture of compounds
22
Is this an element, compound or mixture?
compound
element
none of these
mixture
