{"id":5216,"date":"2024-04-15T02:09:53","date_gmt":"2024-04-15T02:09:53","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5216"},"modified":"2024-04-15T02:09:53","modified_gmt":"2024-04-15T02:09:53","slug":"the-group-contains-inert-gases-a-7-b-18-c-1-d-17","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-group-contains-inert-gases-a-7-b-18-c-1-d-17\/","title":{"rendered":"The group . . . . . . . . contains inert gases. A. 7 B. 18 C. 1 D. 17"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;7&#8243; option2=&#8221;18&#8243; option3=&#8221;1&#8243; option4=&#8221;17&#8243; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is B. Group 18 contains inert gases.<\/p>\n<p>Inert gases are also called noble gases. They are the elements in group 18 of the periodic table. They are all gases at room temperature and pressure. They are very unreactive and do not form compounds easily.<\/p>\n<p>The elements in group 18 are helium, neon, argon, krypton, xenon, and radon. Helium is the lightest element in the periodic table. Neon is a bright orange gas that is used in advertising signs. Argon is a colorless, odorless gas that is used in light bulbs. Krypton is a red-brown gas that is used in lasers. Xenon is a colorless, odorless gas that is used in strobe lights. Radon is a radioactive gas that is found in some rocks and soil.<\/p>\n<p>Inert gases are important in many industries. They are used in light bulbs, lasers, and strobe lights. They are also used in cryogenics, which is the study of very low temperatures.<\/p>\n<p>I hope this helps! Let me know if you have any other questions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;7&#8243; option2=&#8221;18&#8243; option3=&#8221;1&#8243; option4=&#8221;17&#8243; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[636],"tags":[],"class_list":["post-5216","post","type-post","status-publish","format-standard","hentry","category-non-metal-and-its-compounds","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The group . . . . . . . . contains inert gases. 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