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Chapter quiz
Periodic Table Quiz
Answer each question, submit once, and review explanations for every item.
Question 1
Foundation
Why do sodium and potassium show similar chemical behavior?
Answer choices
They have the same atomic mass
They are both noble gases
They have one valence electron
They have the same number of protons
Question 2
Foundation
Which family is generally least reactive because its outer shell is filled?
Answer choices
Halogens
Alkali metals
Noble gases
Transition metals
Question 3
Foundation
Elements in the same period have the same number of occupied electron shells in a simple shell model.
True or false
true
false
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