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प्रश्न
Number of valence electrons in carbon is ______.
पर्याय
2
4
3
5
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उत्तर
Number of valence electrons in carbon is 4
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संबंधित प्रश्न
Define a chemical bond.
State differences between the properties of ionic compounds and covalent compounds.
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Name an element which does not contain neutron.
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
State the type of bonding in the following molecules.
Hydrogen chloride
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
| Name of compound | Type of compound | |
| a. | Sodium chloride | ______ |
| b. | ______ | co-ordinate covalent compound |
| c. | Methane | ______ |
| d. | Fluorine molecule | ______ |
