There are more than 100 elements. Elements combine in a multitude of ways to produce compounds that account for all living and nonliving substances. Few elements are found in their pure form.
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Q 1/6
Score 0
The diagram below represents two atoms in a molecule of oxygen that combine chemically with one atom of carbon to form a carbon dioxide molecule.
Carbon dioxide is an example of
60
an element
a mixture
a compound
a solution
Q 2/6
Score 0
The diagram below represents a sodium atom bonding to a chlorine atom to form sodium chloride.
Which statement is supported by this diagram?
60
Sodium chloride is composed of only one atom.
Sodium chloride is a mixture
Sodium chloride is a compound.
Sodium chloride is an element.
6 questions
Q.
The diagram below represents two atoms in a molecule of oxygen that combine chemically with one atom of carbon to form a carbon dioxide molecule.
Carbon dioxide is an example of
1
60 sec
PS3.3f
Q.
The diagram below represents a sodium atom bonding to a chlorine atom to form sodium chloride.
Which statement is supported by this diagram?
2
60 sec
PS3.3f
Q.
What does this model represent?
3
60 sec
PS3.3f
Q.
Hydrogen and oxygen are classified as
4
60 sec
PS3.3f
Q.
Which model best represents the arrangement of atoms in a compound?
5
60 sec
PS3.3f
Q.
The model below represents a molecule of ammonia gas.
Ammonia gas would be classified as
