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प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
A covalent oxide of a metalloid.
विकल्प
SO2
SiO2
Al2O3
MgO
CO
Na2O
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उत्तर
SiO2
संबंधित प्रश्न
List three characteristic properties of covalent compounds.
Elements forming ionic compounds attain noble gas configuration by either gaining or losing electrons from their outermost shells. Give reason to explain why carbon cannot attain noble gas configuration in this manner to form its compounds.
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
In forming N2 molecule, ______ electrons are shared by each atom of nitrogen.
What is the atomic number of carbon. Write its electronic configuration.
Using electron-dot diagrams which show only the outermost shell electrons, show how a molecule of nitrogen, N2, is formed from two nitrogen atoms. What name is given to this type of bonding?
(Atomic number of nitrogen is 7)
The solution of one of the following compounds will not conduct electricity. This compound is:
The carbon compound is used in daily life is ______.
Draw the electron dot diagram and structure of methane.
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
