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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
उत्तर
3 shells and 2 valence electrons
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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.
Give reason:
Electron affinity of halogens is comparatively high ?
Explain the following:
The reducing power of element increases down in the group while decreases in a period.
F, B, N, O (In the increasing order of electron affinity)
Fill in the blank
The nature of oxide Al2O3 is ____
State whether the following statement is true or false
The elements with higher electron affinity have higher ionization potential.
Down the group, 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.
State electron affinity unit.
