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Example Questions
Example Question #21 : Identifying Types Of Elements
Which of the following is not true of alkali metals?
Possible Answers:
Alkali metals are generally softer than other metals.
Alkali metals have one valence electron.
Alkali metals are very likely to form anions by gaining electrons from another atom.
Alkali metals are very reactive.
All alkali metals are found in group 1.
Correct answer:
Alkali metals are very likely to form anions by gaining electrons from another atom.
Explanation:
Alkali metals are all in group 1, which means they all have only one valence electron. They are highly reactive and will give their one electron to another atom. This is the easiest way for alkali metals to achieve the octet rule.
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