Chemistry: Matter and Change

Section 1: Development of the Modern Periodic Table

Self Check Quizzes

1
Which of the following are poor conductors of heat and electricity?
A)metals
B)metalloids
C)nonmetals
D)alkaline earth elements
2
Which group on the periodic table is known as the alkaline earth metals?
A)group 1A
B)group 2A
C)group 8A
D)group 7A
3
Halogens are good disinfectants. Which of the following is a halogen?
A)N
B)O
C)Cl
D)Fe
4
Why do atomic numbers jump by 15 from left to right in the section of the periodic table shown above?

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A)The missing elements have not yet been discovered.
B)The missing elements are all radioactive.
C)The missing elements form the lathanide and actinide series, usually found below the periodic table.
D)The missing elements do not exist.
5
Looking only at the box above, what can you say for certain about the element immediately to the right of oxygen on the periodic table?

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A)The element is a gas.
B)The element's name will begin with the letter P.
C)The element's atomic weight will be 18.
D)The element will have atomic number 9.
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