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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 - Properties of elements, compounds, and mixtures
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
A molecule with more than one atom type is an element?
True
False
2
Sodium chloride (salt) occurs as
A contributor to heart disease
A molecule
A tasty seasoning
A crystal lattice
3
Elements can be
Crystal lattices
Monatomic
All of the above
Molecules
4
The air we breathe is
An element
Heterogeneous
A compound
A mixture
5
Hydrogen gas is
Monatomic
A mixture
A molecule
A crystal lattice
6
Liquids that can be mixed together to form homogenous mixtures are referred to as
Immiscible
Miscible
7
All solids will dissolve in any liquid
True
False
8
Fizzy beverages, eg soft drinks, are _____________ mixtures
Homogenous
Heterogeneous
9
The noble gases (He, Ne, Ar, Kr, Xe, Rn) occur as ___________ gases.
Monatomic
Highly reactive
Molecular
Heterogeneous
10
Compounds can be monatomic
True
False
11
A dust storm is an example of a ______ in gas mixture
Element
Gas
Solid
Liquid
12
The only metal to be a liquid at room temperature is
Sodium
Mercury
Aluminium
Gold
13
How many oxygen atoms are in an iron oxide molecule
2
5
4
3
14
How many atoms make up a water molecule?
2
3
4
1
15
This mix of jellybeans could be considered as
Delicious
Heterogenous
Homogenous
Bad for your teeth
16
Two liquids that do not mix well as described as immiscible.
True
False
17
Properties of metals include
Ductile
Good conductors of heat and electricity
Malleable
All of the above
18
Mixtures can be made up of
More than one element
More than one compound
Both compounds and elements
All of the above.
19
The elements are listed in the periodic table in order of molecular mass
True
False
20
The metalloids bridge the divide between metals and non-metals and possess properties of each.
False
True
