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Chemistry Quiz 3 Review Flashcards | StudBud
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Chemistry Quiz 3 Review
Chemistry Quiz 3 Review
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Basic chemistry terms - compounds, atoms, mixtures, elements
Flashcards
36 cards
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Practice quiz
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Questions
36
Answers
1
A chemical with only one type of atom is called…
An atom
A compound
An element
A mixture
2
In this diagram, Y represents
A compound
An atom
A mixture
An element
3
Matter that can be placed together but then Physically separated is called a
Compound
Density
Mixture
Pure Substance
4
This image shows sub-atomic particles called protons, neutrons & electrons. This diagram is…
A mixture
An element
A compound
An atom
5
In this diagram, Z represents
A mixture
A compound
An atom
An element
6
How many
PROTONS
does Sodium have?
23
11
12
7
A change in a substance that makes or changes to a new substance is called
Melting
a Physical change
Freezing
a Chemical change
8
Photosynthesis is an...
Exothermic Reaction
Physical Change
Endothermic Reaction
9
What is the 2 after the O in CO
2
called?
Coefficient
Chemical or molecular formula
Chemical Symbol
Subscript
10
How many
NEUTRONS
does this Sodium have?
12
23
11
11
How many valence electrons does Sodium have?
2
1
4
3
12
Lemonade is an example of
An atom
A mixture
An element
A compound
13
This is the periodic table of elements. The elements coloured in purple are:
Non-metals
Metals
Unicorns
14
If a blown up balloon is taken outside in the winter, what would happen to it?
It would shrink because less space between themolecules
It would have no change
It would expand because more space between themolecules
15
The periodic table shows all the different types of
Atoms
Compounds
Elements
Mixtures
16
How many
ELECTRONS
does this ion have?
2
4
3
17
This is the periodic table of elements. The elements coloured in cream are:
Zebras
Non-metals
Metals
18
All matter, whether gas, liquid or solid, is made up of…
Mixtures
Molecules
Atoms
Compounds
19
In this diagram, W represents
A mixture
A compound
An atom
An element
20
A chemical with two or more types of atoms bonded together is called…
A mixture
An element
A compound
An atom
21
What is the main product of photosynthesis?
Glucose
water
Carbon Dioxide
Oxygen
22
Food coloring dropped in hot water will mix together slower than in cold water. True or false?
False
True
23
In an __________ reaction, energy (or heat) is released.
endothermic
exothermic
24
What is the 6 before CO
2
called?
Chemical or molecular formula
Subscript
Coefficient
Chemical Symbol
25
Water (H
2
O) is made of two hydrogen atoms and one oxygen atom bonded together. Water is...
A mixture
A compound
An element
An atom
26
What is CO
2
called?
Subscript
Chemical Symbol
Chemical or molecular formula
Coefficient
27
The circles represent atoms, with each colour a different type. This image represents:
A mixture
A compound
An element
An atom
28
Diamonds are made of many carbon atoms in a special lattice arrangement. Diamonds are made of
An atom
A mixture
A compound
An element
29
How many
ELECTRONS
does this element have?
11
12
23
30
In this diagram, X represents…
An atom
An element
A compound
A mixture
31
When a substance has multiple different types of compounds and/or elements it is called
A mixture
An element
A compound
An atom
32
What is the O in CO
2
called?
Coefficient
Chemical or molecular formula
Subscript
Chemical Symbol
33
Hot Hands are an example of an endothermic reaction
False
True
34
In an _______________ reaction, energy (or heat) is absorbed.
endothermic
exothermic
35
A kind of mixture that spreads or mixes evenly throughout is called...
Compound
Element
Heterogeneous Mixture
Solution
36
How many
PROTONS
does this ion have?
4
3
2
