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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
29 cards
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Questions
29
Answers
1
What does this diagram show?
pure compound
mixture of elements
mixture of compounds
pure element
2
What is the chemical formula for Carbon Dioxide?
CO2
HCL
CH4
NaOH
3
What is the chemical formula for Sodium Hydroxide?
H2O
NaOH
HCL
CO2
4
Is this an element, compound or mixture?
compound
mixture
none of these
element
5
What is an atom?
a complex and intricate life creator
the basic unit of a chemical element
the basic particle that makes up matter
an unfathomable force
6
What is the chemical formula for Hydrochloric Acid?
CH4
HCL
CO2
NaOH
7
Jellybeans
Element
Mixture
Compound
8
Is this an element, compound or mixture?
compound
element
mixture
none of these
9
How many atoms are in a single drop of water?
about 5 Billion atoms
about 5 sextillion atoms
about 5 Million atoms
HOW BIGS THE DROP?
10
What does this diagram show?
pure compound
pure element
mixture of compounds
mixture of elements
11
What does this diagram show?
pure compound
pure element
mixture of elements
mixture of compounds
12
Is water an element, compound or mixture?
element
none of these
compound
mixture
13
Who is the smartest person in the class?
ME
NO ONE
US
YOU
14
Is this an element, compound or mixture?
element
mixture
none of these
compound
15
When two of the same atoms are joined together...
an element forms
a mixture forms
a compound forms
a molecule forms
16
What are the basic building blocks of all matter found on the periodic table called?
Compounds
Homogeneous Mixtures
Elements
Heterogeneous Mixtures
17
A mixture contains ...
two different substances that are not joined together
just one type of atom.
two or more types of atom joined together
18
Who is the loudest person in the class?
Luke
Leroy
Brielle
Dylan
19
What is the chemical formula for methane?
NaOH
HCL
CO2
CH4
20
How many atoms are there in total in Calcium carbonate (CaCo3)?
5
4
3
2
21
A compound contains ...
two different substances that are not joined together
two or more types of atom joined together
just one type of atom.
22
Compounds contain ...
two or more elements mixed together
three elements mixed together
one element
two or more elements chemically joined together
23
How many sodium atoms are there in a salt molecule (NaCl)?
0
1
3
2
24
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.
25
What does this diagram show?
mixture of compounds
pure compound
none of these
mixture of elements and compounds
26
What is an element?
Compounds
The way a substance behaves
A sport and clothing brand
Substance that cannot be split into anything simpler
27
If you are facing North, in which direction is your left ear pointing?
NORTH
EAST
SOUTH
WEST
28
How many hydrogen atoms are there in water (H2O)?
3
2
1
4
29
Which of the following substances is a compound?
Na (sodium)
H2SO4 (hydrochloric acid)
O2 (oxygen)
Br (bromine)
