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प्रश्न
Select the correct answer
Which of the following element has highest electronegativity?
पर्याय
F
H
Ne
Na
उत्तर
F because it belongs to group 17 whose elements have valency 7 and thus requires only 1 electron to complete their octet.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets :
F, Cl, Br (Increasing electronegativity)
Define the term Electronegativity.
In terms of electronic configuration, what the elements of a given period and groups have in common?
Fill in the blank
Reactivity ______ down the gruop for alkali metals with increase in electropositive character
Arrange the following as per the instruction given in the bracket
F,Cl,Br (Increasing electronegativity)
The electronegativities (according to Pauling) of the elements in period 3 of the periodic table are as follows with elements arranged in alphabetical order:
| Al | Cl | Mg | Na | P | S | Si |
| 1.5 | 3.0 | 1.2 | 0.9 | 2.1 | 2.5 | 1.8 |
Arrange the elements in the order in which they occur in the periodic table from left to right.
(The group 1 element first, followed by the group 2 element and so on, up to group 7).
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electronegativity:
If the electronegativity difference between two bonded atoms in a molecule is greater than 1.7, the nature of bonding is ______
State the term for the following:
The tendency of an atom to pull a shared pair of electrons towards itself in a compound.
In the table below, H does not represent hydrogen. Some elements are given in their own symbol and position in the periodic table while others are shown with a letter.
| IA | IIA | IIIA | IVA | VA | VIA | VIIA | O |
| 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Li | D | O | J | Ne | |||
| A | Mg | E | Si | H | K | ||
| A | C | F | G | L |
Select from the table.
- Which is most electronegative.
- How many valence electrons are present in G.
- Write the formula of the compound between B and H.
- In the compound between F and J what type of bond will be formed.
- Draw the electron dot structure for the compound formed between C and K.
