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Health Sciences 21 Online
OpenStudy (anonymous):

On the periodic table, which group contains the noble gases? A. the last group B. the first group C. the second group D. the fourth group Link...... http://static.k12.com/calms_media/media/1359000_1359500/1359396/1/5af352041df579fabfe6fec1f682a571f6f3251d/MS_PHYS_SCI_58379.jpg

OpenStudy (anonymous):

It's A. Because noble gases on the periodic table numbers is 18 which is the last number.

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