Advertisements
Advertisements
प्रश्न
An element in period 3, whose electron affinity is zero:
विकल्प
Sulphur
Sulphur
Neon
Argon
Advertisements
उत्तर
Argon
Explanation:
- Argon is an inert gas.
- It does not need to gain or lose electrons because its octet is complete.
- As a result, argon has no electron affinity.
APPEARS IN
संबंधित प्रश्न
Choose the correct answer from the options given below:
If an element A belongs to Period 3 and Group II, then it will have
A. 3 shells and 2 valence electrons
B. 2 shells and 3 valence electrons
C. 3 shells and 3 valence electrons
D. 2 shells and 2 valence electrons
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged iron.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 |
Also, explain the following : Electron affinity of element A is more than that that of element C.
Fill in the blank
Noble gases have ______ electron affinity.
What is electron affinity?
Explain
Halogens have high electron affinity.
Down the group, electron affinity ______.
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
The electron affinity of an element X is greater than that of element Y.
How is the electronegativity of X likely to compare with that of Y?
