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प्रश्न
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
उत्तर
carbon
Buckminsterfullerene is an allotropic form of the element carbon, and contains 60 carbon atoms joined in a spherical structure.
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संबंधित प्रश्न
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Which inert gas electron configuration do the Cl atoms in Cl2 molecule resemble? What is this electron configuration?
How will you find out which of the water soluble compound A or B is ionic?
Give the formula of the compound that would be formed by the combination of the following pair of elements:
K and H
The molecules having triple bond in them are:
(a) oxygen and ethyne
(b) carbon dioxide and ammonia
(c) methane and ethene
(d) nitrogen and ethyne
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety
You can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? Why?
Give two example in following case:
Liquid non polar compounds
Explain the following term with example.
Hetero atom in a carbon compound
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
Name the types of Hydrocarbons.
Your body is made up of carbon.
Write an Explanation.
Alkane
Write a short note.
Characteristics of carbon
Cation is formed when ______.
Two carbon atoms can always form one or two covalent bonds.
In covalent bond formation, the sharing of ______ electrons takes place in their outermost shell.
