PERIODIC TABLE REVIEW Question Preview (ID: 7483)
ICP Chapter 5 Prentice Hall 2005.
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What are the verticle columns on the periodic table called?
a) Metals
b) Periods
c) Groups
d) Lanthanides
What are the horizontal rows on the periodic table called?
a) Metals
b) Periods
c) Groups
d) Lanthanides
What are the elements in column 7A (17) called?
a) Halogens
b) Alkali Metals
c) Noble Gases
d) Transition Metals
Why are the chemical symbols for elements Hg and Br colored purple?
a) They are metalloids.
b) They do not exist in nature.
c) Their densities are greater than 1.
d) They are liquids at room temperature.
How many vaence electrons do the alkaline earth metals have?
a) 1
b) 2
c) 7
d) 8
What happens o the number of valence electrons as you move across the periodic table?
a) increases towards right
b) decreases towards right
c) increases as you move down
d) is the same everywhere
Which element is the most reactive nonmetal?
a) N
b) He
c) F
d) Ar
What group is called the Noble Gases?
a) 1A (1)
b) 2A (2)
c) 7A (17)
d) 8A (18)
Why are some elements written in white letters?
a) They are gases at room temperature.
b) They are liquids at room temperature.
c) They are metalloids.
d) They do not exist in nature.
Co, Y, Ag and Tc are all
a) transition metals
b) metalloids
c) naturally occurring
d) nonmetals
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