On the periodic table, horizontal rows are called
A) families.
B) groups.
C) periods.
D) cousins.
Correct Answer:
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Q7: Based on the definition of a pure
Q8: Identify the transition metal.
A)Cs
B)Fe
C)As
D)N
E)H
Q9: Which of the following could be classified
Q10: Cl can be classified as a
A)metal.
B)metalloid.
C)nonmetal.
D)gas.
Q11: Soils that are reddish in color tend
Q13: Locard's principle states that
A)when two things come
Q14: Sodium belongs to group number _ on
Q15: Which one of the following pairs of
Q16: Which element is present in the greatest
Q17: On the periodic table, vertical columns are
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