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