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प्रश्न
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
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उत्तर
In Calcium oxide, oxygen needs 2 electrons.
संबंधित प्रश्न
Give electron dot diagram of the following:
methane
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
A Compound 'X' consists of only molecules. Hence 'X' will have
Explain fractional atomic mass. What is the fractional mass of chlorine?
State the type of bonding in the following molecules.
Calcium oxide
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Number of valence electrons in carbon is ______.
Match the following:
| 1. | Atomic bond | a. | Oxygen and hydrogen |
| 2. | Atoms with different electronegativities | b. | acceptor bond |
| 3. | An atom that accepts electron pair | c. | covalent bond |
| 4. | Rusting of iron | d. | donor atom |
| 5. | An atom that provides electron pair | e. | oxidation |
| f. | ionic bond |
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
