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प्रश्न
State the type of bonding in the following molecule.
Calcium oxide
उत्तर
Ionic bond
APPEARS IN
संबंधित प्रश्न
Give electron dot diagram of the following:
methane
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 |
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
State the type of bonding in the following molecules.
Calcium oxide
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
What is a chemical bond?
Write the basic concept of Kossel – Lewis theory.
