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प्रश्न
Among the elements of the second period, Li to Ne, pick out the element that is the most reactive non-metal
उत्तर
The most reactive non-metal: Fluorine
Concept Insight: Fluorine is most reactive non metal as it requires only one electron to complete its octet and become stable.
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संबंधित प्रश्न
Choose the word or phrase from the brackets which correctly complete the following statement:
Metals are good ______ (oxidizing agents/reducing agents) because they are electron ______ (acceptors/donors).
Arrange the following as per the instructions given in the brackets:
Cl, F, Br, I (increasing order of electron affinity)
Explain the following:
Metallic character of elements decreases from left to right in a period while it increases in moving down a group.
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 non-metallic element be found at A,B,C or D ?
Explain
Larger the atomic size, more metallic is the element.
Explain
Group 17 elements are non-metals, while group 1 elements are metals.
If an element is in group 7 is it likely to be metallic or non metallic in character?
Match the atomic number with the following:
A metal of valency one.
A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
Three elements B, Si and Ge are
