Advertisements
Advertisements
प्रश्न
Arrange the following as per the instruction given in the brackets:
He, Ar, Ne (Increasing order of the number of electron shells)
Advertisements
उत्तर
He < Ne <Ar
APPEARS IN
संबंधित प्रश्न
Element X is a metal with a valency 2, Y is 3 non- metal with a valency 3.
1) Write an equation to show how Y from an ion.
2) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
State the factors on which electron affinity depends ?
Explain the following:
Halogens have a high electron affinity.
An element in period 3, whose electron affinity is zero:
Why is the electron affinity of fluorine less than chlorine?
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.
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
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.
