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crownlessking crownlessking
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6 years ago
Which of the following columns of the periodic table contains only gaseous elements?
 a. 5A c. 7A
  b. 6A d. 8A
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ravindergill185ravindergill185
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6 years ago
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crownlessking Author
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6 years ago
I know this sounds cliche, but I was thinking the same thing. Thanks for confirming
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