Draw the electron dot structure of the following: CH 4

In electron dot structure we represent the valence electrons of the atoms within the molecule forming the bonds. Thus, Carbon has 4 valence electrons while hydrogen has one. They share one electron each to form a C−H single bond in a methane molecule. The electron dot of methane molecule is as follows:

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Allotropes are the different structural forms of the same element and can exhibit different physical properties.

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Important Questions on Carbon: An important element

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

The correct order of octane number is

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which one is not an allotrope of carbon nanostructure?

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which of the following element does not show allotropy?

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Observe the correlation in the first pair and complete the second pair.

${CH}_{3} OH$ : Methanol. : : ${CH}_{3} {CH}_{2} COOH$ : _____.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Write the name of two allotropes of carbon.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

What do you understand by a lone pair of electrons?

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which of the following is not an allotropic form of carbon-

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Name the important areas related to nanotechnology.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y, and Z.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Graphite and Diamonds are two _____.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Draw the electron dot structure of the following:

${CH}_{4}$

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Allotropy is a property shown by which class of substances, elements, compounds mixtures? Give one example of allotropes of carbon.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which type of bond is formed by the carbon with other carbon atoms?

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which of the following statements are usually correct for carbon compounds? These
(i) are good conductors of electricity
(ii) are poor conductors of electricity
(iii) have strong forces of attraction between their molecules
(iv) do not have strong forces of attraction between their molecules

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which substance from the following is not obtained during destructive distillation of mineral coal?

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Identify the correct electron dot structure of nitrogen molecule in the following:

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Which of the following pairs have layer lattice structure in solid-state chemistry

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Explain the structure of carbon nano-buds.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

Define allotrope of an element with examples.

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Science>Chemistry>Carbon: An important element>Carbon: Occurrence, properties and allotropes

What is graphite? Of what substance is graphite made?

Allotropes are the different structural forms of the same element and can exhibit different physical properties.

Important Questions on Carbon: An important element

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