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Question
A student attempts to arrange four elements (as shown below) in order from most reactive to least reactive.
Is the arrangement correct, and why (or why not)?
(1 point)
Responses
No. An element’s reactivity decreases as atomic mass increases.
No. An element’s reactivity decreases as atomic mass increases.
Yes. An element’s reactivity decreases from left to right on the periodic table.
Yes. An element’s reactivity decreases from left to right on the periodic table.
No. An element’s reactivity decreases from right to left on the periodic table.
No. An element’s reactivity decreases from right to left on the periodic table.
Yes. An element’s reactivity decreases along with its atomic number.
Yes. An element’s reactivity decreases along with its atomic number.
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page 17 of 17
No. An element’s reactivity decreases as atomic mass increases.
The correct explanation is that an element's reactivity generally decreases as you move from left to right on the periodic table, not based on atomic mass.