Counting Atoms review
Presentation
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Science
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9th Grade
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Practice Problem
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Easy
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NGSS
MS-PS1-1, MS-PS1-5, MS-ESS1-1
+11
Standards-aligned
Christopher Gale
Used 10+ times
FREE Resource
6 Slides • 17 Questions
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Elements are represented by either
or
letter symbols. The first letter of an element is always
a letter and the second letter will be
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The
tells you the number of atoms of a particular
and only refers to the element that it is
. If there is no subscript, there is only
atom of that element.
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A
is a number that is placed in
of a chemical formula. You must
the coefficient by the
to find out the number of atoms of each element.
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the subscript that is
the parenthesis by the number of atoms that are
the parenthesis.
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Lithium
oxygen
Sulfur
oxygen
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Barium
Chlorine
Chlorine
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Silver (Ag)
oxygen
Nitrogen (N) 4
oxygen
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Labeling
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