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प्रश्न
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
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उत्तर
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | NaCl | PCl5 | CCl4 |
| Nature of bonding | Ionic | Covalent | Covalent |
| Physical state of chloride | Solid | Solid | Liquid |
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संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
What do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
State one observation which shows that atom is not indivisible.
Explain Octet rule with an example.
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
What is meant by a chemical bond?
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
