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Question
Explain why the following statement is not correct:
All groups contain metals and non metals.
Solution
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.
RELATED QUESTIONS
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.
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
Choose the correct answer.
An alkaline earth metal
(i) Lead
(ii) potassium
(iii) calcium
(iv) Copper
In Period 3, the most metallic element is ______.
For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |
Will the most metallic element be found at A,B,C or D ?
The tendency of an element to form cation is the _______ character of that element.
Electronegativity is the metallic property of an element.
Write scientific reason.
The metallic character of elements increases while going down the groups.
Write scientific reason.
The non-metallic character increases while going from left to right in a period.
