Advertisements
Advertisements
प्रश्न
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Advertisements
उत्तर
- Electronic configuration of chlorine = 2, 8, 7
- Electronic configuration of chlorine ion = 2, 8, 8
APPEARS IN
संबंधित प्रश्न
State the type of bonding in the following molecule.
Calcium oxide
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms a cation?
Why do `""_17^35"CI"` and `""_17^37"CI"` have the same chemical properties? In what respect do these atoms differ?
Name the following:
An element having valency 'zero'
Give a reason
Physical properties of isotopes are different.
Explain
Octet rule for the formation of sodium chloride
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:
\[\ce{^31_15P}\]
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
| Name of compound | Type of compound | |
| a. | Sodium chloride | ______ |
| b. | ______ | co-ordinate covalent compound |
| c. | Methane | ______ |
| d. | Fluorine molecule | ______ |
