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प्रश्न
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
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उत्तर
The bond formed between metal and nonmetal is an ionic bond.
The bond formed between metal M and chlorine is an ionic bond.
When metal M combines with sulphur – MgS
When metal M combines with oxygen – MgO
When metal M combines with nitrogen – Mg3N2.
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संबंधित प्रश्न
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 |
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
What is the contribution of the following in atomic structure?
Democritus
What is an α (alpha) particle?
State one observation which shows that atom is not indivisible.
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
Draw the geometric atomic structure of the three isotopes of hydrogen and the two isotopes of chlorine.
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
