emily608038 emily608038

12-09-2019
Chemistry

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imahealthykid imahealthykid

12-09-2019

Answer:

Dubnium: Group 5 Period 7

Hydrogen: Group 1 Period 1

Explanation:

Answer Link

12-09-2019

Answer:

Db period =7

Group=VB

H period=1

group=IA

Answer Link

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