Advertisements
Advertisements
प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
Advertisements
उत्तर
When the electro negativity difference between the two atoms is low then the bond formed will be polar covalent bond.
APPEARS IN
संबंधित प्रश्न
In term of electron transfer, define
Reduction
State the following is a reduction reaction or oxidation reaction.
\[\ce{A^3+ + e- -> A^2+}\]
Five atoms are labeled A to E
|
Atoms |
Mass No |
Atomic No. |
|
A |
40 |
20 |
|
B |
19 |
9 |
|
C |
7 |
3 |
|
D |
16 |
8 |
|
E |
14 |
7 |
(a) Which one of these atoms:
(i) contains 7 protons
(ii) has electronic configuration 2,7
(b) Write down the formula in the compound formed between C and D
(c) Predict : (i) metals (ii) non-metals
Name the following:
An element having valency 'zero'
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Five atoms are labelled V to Z
| Atoms | Mass Number | Atomic Number |
| V | 40 | 20 |
| W | 19 | 9 |
| X | 7 | 3 |
| Y | 16 | 8 |
| Z | 14 | 7 |
- Which one of these atoms
(1) contains 7 protons;
(2) has an electronic configuration 2, 7? - Write down the formula of the compound formed by atoms X and Y.
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
Write the basic concept of Kossel – Lewis theory.
