Know that an element is a pure substance represented by a chemical symbol and that a compound is a pure substance represented by a chemical formula;
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12 questions
Q.
1
30 sec
6.5a
Q.
2
30 sec
6.5a
Q.
3
30 sec
6.5a
Q.
Which diagram above best represents a substance that contains one type of atom?
4
30 sec
6.5a
Q.
What is the best conclusion regarding items II and IV?
5
60 sec
6.5a
Q.
6
60 sec
6.5a
Q.
7
60 sec
6.5a
Q.
8
60 sec
6.5a
Q.
How are the following substances similar?
9
120 sec
6.5a
Q.
How is substance B different from Substance A?
10
120 sec
6.5a
Q.
True or false: If the substances on the LEFT side of the arrow are the reactants , then the reactants contain 2 pure substances , 1 compound, and 0 elements.
11
120 sec
6.5a
Q.
True or False: If the substances on the RIGHT side of the arrow are the products, then the products contain 2 pure substances and 2 compounds
