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Periodic Table Organization
Worksheet
Grade Level
Chemistry
11.19 Periodic Table Organization
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Rubidium is placed below potassium in group 1. Which property is most reasonable to infer from that organization?
A
Rubidium is a noble gas with a filled valence shell
B
Rubidium is a reactive metal that commonly forms a 1+ ion
C
Rubidium is a halogen that commonly forms a 1- ion
D
Rubidium is a metalloid semiconductor on the stair-step line
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