[amp_mcq option1=”neon” option2=”chlorine” option3=”fluorine” option4=”iodine” correct=”option1″]<\/p>\n
The correct answer is neon. Neon is a noble gas that is colorless, odorless, and tasteless. It is the second most abundant element in the Earth’s atmosphere, after nitrogen. Neon is used in a variety of applications, including lighting, signs, and lasers.<\/p>\n
Chlorine is a pale yellow-green gas that is highly reactive. It is the second most abundant halogen in the Earth’s atmosphere, after fluorine. Chlorine is used in a variety of applications, including water treatment, bleach production, and pesticides.<\/p>\n
Fluorine is a pale yellow-green gas that is the most reactive element in the periodic table. It is the most abundant halogen in the Earth’s crust, after chlorine. Fluorine is used in a variety of applications, including toothpaste, dental fillings, and nuclear power plants.<\/p>\n
Iodine is a purple-black solid that is the least reactive of the halogens. It is the least abundant halogen in the Earth’s crust, after fluorine. Iodine is used in a variety of applications, including antiseptics, photography, and food coloring.<\/p>\n
Neon is brighter than the other non-metals because it has a lower ionization energy. This means that it takes less energy to remove an electron from a neon atom, which allows it to emit more light.<\/p>\n","protected":false},"excerpt":{"rendered":"
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