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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
Answer the following in respect of element `31/15 P `
What is its valency?
Answer the following in respect of element `31/15 P `
Is it a metal or non - metal
Give the trend in metallic character:
down the group top to bottom.
Name the periodic property which relates to the character of element which loses one or more electrons when supplied with energy.
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
Which has the maximum metallic character Na, Li or K?
Select the correct answer
Configuration of an element is 2, 8, 1. Which of the following statement is true?
If an element is in group 7 is it likely to be metallic or non metallic in character?
Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)
Arrange:
Be, Li, C, B, N, O, F (in increasing metallic character).
