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प्रश्न
Explain why the following statement is not correct:
All groups contain metals and non metals.
उत्तर
Since the elements in a group have the same number of valence electrons, they can either contain metals or non-metals like alkali, and alkaline metals have only metals, whereas halogens are non-metals.
संबंधित प्रश्न
Name any five periods properties.
Give the trend in metallic character:
down the group top to bottom.
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
An element X belong to 3rd periods and group II of the periodic table state:
whether it is a metal or a non-metal.
The electronic configuration of an element T is 2, 8, 8, 1.
Is it a metal or a non-metal?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing non – metallic character
Choose the correct answer.
An alkaline earth metal
(i) Lead
(ii) potassium
(iii) calcium
(iv) Copper
In the third period, which is the most metallic and most non-metallic element?
Explain
Group 17 elements are non-metals, while group 1 elements are metals.
Write an Explanation.
Electronegativity
