Advertisements
Advertisements
Question
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Advertisements
Solution
when the electro negativity difference between the two atoms is high then the bond formed will be purely ionic.
APPEARS IN
RELATED QUESTIONS
Explain the following briefly:
Helium does not form He2 molecule
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2, 8, 1 |
2, 8, 7 |
2, 5 |
1 |
Answer the following question based on the table above:
What is the formula of the compound formed between W and X.
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
What do you understand by redox reactions?
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
State the type of bond between Y and Z and give its molecular formula.
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
