Advertisements
Advertisements
प्रश्न
Fill in the blank
Noble gases have ______ electron affinity.
Advertisements
उत्तर
Noble gases have Zero electron affinity.
APPEARS IN
संबंधित प्रश्न
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged iron.
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Give reason:
Electronegativity of chorine is higher than Sulphur?
Explain the following:
Halogens have a high electron affinity.
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
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
The nature of oxide Al2O3 is ____
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
The electron affinity of an element X is greater than that of element Y.
State whether X is likely to be placed to the left or to the right of Y in the periodic table.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
