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- Multiple ChoicePlease save your changes before editing any questions.
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
- Multiple ChoicePlease save your changes before editing any questions.
An _______________ is made up of one or more of the same kind of atom chemically combined.
atom
element
molecule
compound
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A ______________ is made up of elements that are combined chemically.
element
compound
mixture
molecule
- Multiple ChoicePlease save your changes before editing any questions.
A _____________ contains a variety of elements and compounds that are not chemically combined with each other.
compound
element
molecule
mixture
- Multiple ChoicePlease save your changes before editing any questions.
A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.
mixture
pure substance
compound
element
- Multiple ChoicePlease save your changes before editing any questions.
True or False: elements AND compounds are pure substances.
True
False
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Elements are broadly classified as metals, nonmetals, and _________________.
compounds
organic
metalloids
Metallica
- Multiple ChoicePlease save your changes before editing any questions.
Each element has a place in an arrangement called the ____________________________________.
Elements Table
Elementary Table
Kitchen Table
Periodic Table of the Elements
- Multiple ChoicePlease save your changes before editing any questions.
A ______________ mixture is one that does not have a uniform composition.
heterogeneous
homogenous
pure substance
- Multiple ChoicePlease save your changes before editing any questions.
A _________________ mixture is one where the substances are evenly spread throughout.
heterogeneous
homogeneous
pure substance
- Multiple ChoicePlease save your changes before editing any questions.
Dirt and air are examples of ________________.
mixtures
elements
pure substances
- Multiple ChoicePlease save your changes before editing any questions.
Water and propane are examples of __________________.
mixtures
elements
compounds
- Multiple ChoicePlease save your changes before editing any questions.
Is salt an element, compound, or a mixture?
element
compound
mixture
- Multiple ChoicePlease save your changes before editing any questions.
Is Hydrogen an element, compound, or a mixture?
element
compound
mixture
- Multiple ChoicePlease save your changes before editing any questions.
The chemical symbol for Hydrogen is
He
H
Hy
- Multiple ChoicePlease save your changes before editing any questions.
The chemical symbol for Helium is
H
Hl
He
- Multiple ChoicePlease save your changes before editing any questions.
The chemical symbol for Nitrogen is
Ni
Nt
N
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The chemical symbol for Sulfur is
S
Su
Sr
- Multiple ChoicePlease save your changes before editing any questions.
The chemical symbol for Calcium is
C
Ca
Cl
- Multiple ChoicePlease save your changes before editing any questions.
A column on the periodic table is called a _____________.
group
period
metal
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A row on the periodic table is called a ______________.
group
period
metal
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Group 1 on the periodic table is called ________________.
Alkali Metals
Alkaline Earth Metals
The Oxygen Group
The Halogens
- Multiple ChoicePlease save your changes before editing any questions.
Group 2 on the periodic table is called __________________.
Alkali Metals
Alkaline Earth Metals
The Nitrogen Group
The Oxygen Group
- Multiple ChoicePlease save your changes before editing any questions.
Group 15 on the periodic table is called _______________.
The Alkaline Earth Metals
The Nitrogen Group
The Oxygen Group
The Halogens
- Multiple ChoicePlease save your changes before editing any questions.
Group 16 on the periodic table is called _________________.
The Oxygen Group
The Halogens
The Nobel Gases
Transition Metals
- Multiple ChoicePlease save your changes before editing any questions.
Groups 3-12 on the periodic table are called ________________.
The Halogens
The Nobel Gases
Transition Metals
The Oxygen Group
- Multiple ChoicePlease save your changes before editing any questions.
On an average periodic table, which 4 things are included in each box?
properties of the element, weight, atomic mass, chemical name
atomic number, chemical symbol, properties of the element, location of discovery
atomic number, chemical symbol, chemical name, atomic mass
- Multiple ChoicePlease save your changes before editing any questions.
Potassium is identified as a _____________________.
metal
nonmetal
metalloid
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Silicon is identified as a _______________________.
metal
nonmetal
metalloid
- Multiple ChoicePlease save your changes before editing any questions.
Helium is identified as a ____________________.
metal
nonmetal
metalloid