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प्रश्न
Identify the following:
The most electronegative element of Period 3.
उत्तर
Chlorine
Explanation:
Electronegativity grows from left to right during a certain duration.
APPEARS IN
संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets :
F, Cl, Br (Increasing electronegativity)
Choose the most appropriate answer of the following:
Among the elements given below, the element with the least electronegativity is:
(A) Lithium
(B) Carbon
(C) Boron
(D) Fluorine
The tendency of an atom to attract electrons itself when combined in a covalent compound.
Fill in the blank
Most electronegative elements belong to ______ group.
Explain
K is more reactive than Li.
Arrange the following as per the instruction given in the bracket
F,Cl,Br (Increasing electronegativity)
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:
Answer the following question using the data given below:
- Assertion: The nature of bond in HF molecule is ionic
- Reason: The electronegativity difference between H and F is 1.9.
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.
Electronegativity across the period ______.
