CBSE /Class 10
Science MCQ Based On Carbon and its compounds introduction
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CBSE Class 10 Science Carbon and its compounds introduction
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Hydrogen shares its only outermost electron with another Hydrogen to form covalent bonds.
There are two forms of allotropes of carbon amorphous and crystalline.
The manner in which carbon atoms are bonded to each other makes all the difference .As in diamond dismond each carbonatom is bonded to four other carbon atoms giving it a three diamensional rigid structure whereas in graphite each carbon atom is bonded to three other carbon atoms in the same plane giving a hexagonal array.
Covalent bonds are always formed by the sharing of electrons between two atoms.
The amount of carbon present in atmosphere is 0.03 % and the amount of carbon present in the earths crust present is 0.04 %.
Every hydrogen and carbon are attached to each other by a single covalent bond.
Allotropy is the property of an element to exist in variuos physical states but having identical chemical properties.
Think about the electron-sharing behavior of these elements.
Covalently bonded molecules are seen to have strong bonds within the molecules but intermolecular forces are small.
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