Elements And Periodic Table Question Preview (ID: 60389)
Physical Science
Grades 6-8.
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_____ are substances that cannot be broken down into simpler substances.
a) elements
b) compounds
c) mixtures
d) minerals
The _____ is a chart that shows all of the known elements.
a) periodic table
b) atomic table
c) nuclear table
d) Mendeleev's table
There are _____ (#) total elements shown on the periodic table.
a) 118
b) 100
c) 75
d) 20
The _____ is the short 1-2 letter abbreviation for an element.
a) chemical symbol
b) chemical name
c) atomic number
d) atomic weight
The ___ is the unique number used to identify an element (1-118).
a) atomic number
b) atomic weight
c) chemical symbol
d) chemical name
An ____ is the smallest piece of an element that can exist.
a) atom
b) molecule
c) cell
d) subatomic particle
_____ are the vertical (up-and-down) columns on the periodic table.
a) families/groups
b) periods
c) neighbors
d) classes
_____ are the horizontal (side-to-side) rows on the periodic table.
a) periods
b) families / groups
c) neighbors
d) classes
A ___ is a substance that is often shiny, bendable, and allows electricity and/or heat to pass through it.
a) metal
b) non-metal
c) semi-metal
d) semiconductor
A ___ is a substance that is often dull, brittle, and blocks electricity and/or heat from passing through it.
a) non-metal
b) metal
c) semi-metal
d) semiconductor
A ___ is a substance that ALLOWS the flow of heat and electricity.
a) conductor
b) insulator
c) convector
d) radiator
A ___ is a substance that BLOCKS the flow of heat and electricity.
a) insulator
b) conductor
c) convector
d) radiator
Elements ___.
a) cannot be broken apart
b) can be broken apart
c) are combinations of simpler substances
d) are earth, air, water and fire
A ___ is any substance that is made from only one type of particle.
a) pure substance
b) impure substance
c) mixture
d) solution
___ describe how an element looks, feels, tastes, smells or behaves.
a) properties
b) composition
c) chemical changes
d) physical changes
Metals are mostly found ___ of the periodic table.
a) on the left side
b) on the right side
c) closer to the top
d) closer to the bottom
Non-metals are mostly found ___ of the periodic table.
a) on the right side
b) on the left side
c) at the top
d) at the bottom
The lightest elements are found ____ of the periodic table.
a) at the top
b) at the bottom
c) on the left side
d) on the right side
The heaviest elements are found ___ of the periodic table.
a) at the bottom
b) at the top
c) on the left side
d) on the right side
The ___ is the mass/weight of a single atom of an element.
a) atomic weight
b) atomic number
c) chemical symbol
d) chemical name
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