GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cat
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calcium
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carbon
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crypton
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Detailed explanation-1: -Carbon is a chemical element with symbol C and atomic number 6. Classified as a nonmetal, Carbon is a solid at room temperature.
Detailed explanation-2: -Carbon (from Latin carbo ‘coal’) is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent-its atom making four electrons available to form covalent chemical bonds.
Detailed explanation-3: -carbon (C), nonmetallic chemical element in Group 14 (IVa) of the periodic table. Although widely distributed in nature, carbon is not particularly plentiful-it makes up only about 0.025 percent of Earth’s crust-yet it forms more compounds than all the other elements combined.
Detailed explanation-4: -The name carbon comes from the the French “charbone", which in turn came from Latin “carbo", meaning “charcoal".
Detailed explanation-5: -Group 4A (or IVA) of the periodic table includes the nonmetal carbon (C), the metalloids silicon (Si) and germanium (Ge), the metals tin (Sn) and lead (Pb), and the yet-unnamed artificially-produced element ununquadium (Uuq). The Group 4A elements have four valence electrons in their highest-energy orbitals (ns2np2).