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Elements, Compounds & Mixtures Review Flashcards | StudBud
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Elements, Compounds & Mixtures Review
Elements, Compounds & Mixtures Review
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#elements #compounds #mixtures #chemistry #year8
Flashcards
23 cards
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Questions
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Answers
1
In a mixture, each substance keeps its own properties.
False
True
2
What is shown in box C?
Compounds
Molecules
Elements
Mixture
3
Nitrogen, Oxygen, Carbon and Iron are all examples of ...
Elements
Compounds
Molecules
Mixtures
4
These contain either 1 uppercase letter (H)
OR
1 uppercase letter and 1 lowercase letter (He)
Chemical symbol
Chemical formula
Mixtures
Chemical name
5
This tells you how many of each element are in a chemical formula.
Submarine
Superscript - H2
Chemical symbol
Subscript - O2
6
H
2
O is an example of a...
chemical formula
chemical name
common name
subscript
7
What is the first element in group 3?
Lithium
Carbon
Boron
Fluorine
8
A compound is formed when two or more
different
elements are joined together chemically.
True
False
9
The horizontal rows on the periodic table are called....
Groups
Classes
Families
Periods
10
What is shown in box D?
Mixture
Molecules
Compounds
Elements
11
All compounds are molecules, but not all molecules are compounds.
False
True
12
Which of the following only contains one type of atom?
Element
Chemical Formula
Mixture
Compound
13
What is shown in box A?
Compound
Molecule
Elements
Mixture
14
What is shown in box B?
Elements
Mixture
Compounds
Molecules
15
A _____________ is a combination of two or more substances that are NOT chemically combined.
Molecule
Metal
Mixture
Compound
16
Is square C showing an element, mixture or compound?
Compound
I don't know!
Mixture
Element
17
A molecule is formed when two or more atoms join together chemically.
False
True
18
N, O, Cu, Na, F, He and Ar are all examples of...
Element names
Common names
Chemical symbols
Chemical formulas
19
What does square B show- an element compound or mixture?
Trick Question, the limit does not exist!
Compound
Mixture
Element
20
Which of the following is a chemical formula?
Helium
NaCl
Na
Sodium Chloride
21
Carbon Dioxide is an example of a ...
Common name
Chemical name
Element
Chemical formula
22
Is square D showing an element, compound or mixture?
Element
I don't know!
Compound
Mixture
23
Is square A showing an element, compound or mixture?
Compound
Mixture
Mixture of compounds
Element
