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प्रश्न
State the type of bonding in the following molecule.
Calcium oxide
उत्तर
Ionic bond
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संबंधित प्रश्न
Define a chemical bond.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a non-metal.
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
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?
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Compare :
Sodium atom and sodium ion
What do you understand by redox reactions?
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Give the orbital diagram of the following:
Hydrogen chloride
Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
