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प्रश्न
Draw orbit structure diagram of calcium oxide (CaO).
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उत्तर
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संबंधित प्रश्न
Define a chemical bond.
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What is the formula of the compound formed between X and Z.
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
How many atoms of each kind are present in the following molecule:
Calcium oxide
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
State the type of bonding in the following molecules.
Water,
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Match the following:
| 1. | Monoatomic gaseous atom | a. | Electrovalent bond |
| 2. | Octet rule | b. | Benzene |
| 3. | Ionic bond | c. | Water |
| 4. | Non-polar solvent | d. | Electronic theory of valence |
| 5. | Polar solvent | e. | Noble gases |
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
