[amp_mcq option1=”Xenon” option2=”Chlorine” option3=”Neon” option4=”Argon” correct=”option2″]<\/p>\n
The correct answer is B. Chlorine.<\/p>\n
A noble gas is a chemical element that has a full valence shell, and is therefore chemically inert. Noble gases are typically colorless, odorless, and non-flammable. They are also monatomic, meaning that they exist as single atoms.<\/p>\n
Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a pale yellow-green gas at standard temperature and pressure and exists as a diatomic molecule. Chlorine is an extremely reactive element and is the second most abundant halogen. It is a member of the halogen group in the periodic table and is a highly toxic gas.<\/p>\n
Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas that is colorless, odorless, and non-flammable. Neon is the fifth most abundant element in the Earth’s atmosphere, after nitrogen, oxygen, argon, and carbon dioxide. It is also found in small amounts in the Sun and other stars.<\/p>\n
Argon is a chemical element with the symbol Ar and atomic number 18. It is a noble gas that is colorless, odorless, and non-flammable. Argon is the third most abundant element in the Earth’s atmosphere, after nitrogen and oxygen. It is also found in small amounts in the Sun and other stars.<\/p>\n","protected":false},"excerpt":{"rendered":"
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