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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 #6thgradescience
Flashcards
33 cards
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Questions
33
Answers
1
What is shown in box D?
Molecules
Elements
Compounds
Mixture
2
Which of the following is a chemical formula?
Helium
Sodium Chloride
NaCl
Na
3
The name scientists give a substance.
Chemical formula
Chemical name
Molecule
Common name
4
The horizontal rows on the periodic table are called....
Classes
Periods
Families
Groups
5
What is shown in box C?
Compounds
Molecules
Mixture
Elements
6
In a mixture, each substance keeps its own properties.
True
False
7
N, O, Cu, Na, F, He and Ar are all examples of...
Element names
Chemical symbols
Chemical formulas
Common names
8
The name that gives you a sense of the use of a chemical.
Chemical formula
Chemical symbol
Common name
Chemical name
9
H
2
O is an example of a...
subscript
chemical formula
common name
chemical name
10
The vertical columns on the periodic table are called...
Families
Periods
Sections
Gaps
11
Which of the following only contains one type of atom?
Compound
Mixture
Element
Chemical Formula
12
Nitrogen, Oxygen, Carbon and Iron are all examples of ...
Mixtures
Compounds
Elements
Molecules
13
All molecules are compounds.
false
true
14
What is shown in box A?
Elements
Compound
Mixture
Molecule
15
Is square A showing an element, compound or mixture?
Mixture of compounds
Mixture
Compound
Element
16
What does square B show- an element compound or mixture?
Element
Mixture
Compound
Trick Question, the limit does not exist!
17
All compounds are molecules, but not all molecules are compounds.
False
True
18
This tells you how many of each element are in a chemical formula.
Subscript - O2
Superscript - H2
Submarine
Chemical symbol
19
A _____________ is a combination of two or more substances that are NOT chemically combined.
Compound
Molecule
Mixture
Metal
20
Is square C showing an element, mixture or compound?
Compound
Mixture
Element
I don't know!
21
What is the first element in group 13?
Fluorine
Lithium
Boron
Carbon
22
A compound is formed when two or more
different
elements are joined together chemically.
False
True
23
A _____________ gives you a sense of the USE of a substance.
Chemical formula
Chemical name
Common name
Nickname
24
Carbon Dioxide is an example of a ...
Common name
Element
Chemical formula
Chemical name
25
All ____________ are molecules.
Atoms
Mixtures
Moles
Compounds
26
The Earth's crust is mainly made up of only five...
Animals
Compounds
Elements
Mixtures
27
A molecule is formed when two or more atoms join together chemically.
False
True
28
These contain either 1 uppercase letter (H)
OR
1 uppercase letter and 1 lowercase letter (He)
Chemical symbol
Chemical name
Chemical formula
Mixtures
29
These can only be separated by chemical means.
Mixtures
Compounds
Elements
30
Is square D showing an element, compound or mixture?
Compound
I don't know!
Mixture
Element
31
A mixture can be separated by...
Windex
Chemical means
Physical means
Chemical changes
32
What is shown in box B?
Mixture
Compounds
Elements
Bananas
33
The three main classes of elements are...
Colloids, Heterogeneous and Homogeneous
Metallics, Nonmetallics and Dulls
Solids, Liquids and Gases
Metals, Nonmetals and Metalloids
