Advertisements
Advertisements
प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Advertisements
उत्तर
When the electro negativity difference between the two atoms is zero then the bond formed will be purely covalent.
संबंधित प्रश्न
State differences between the properties of ionic compounds and covalent compounds.
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
Give reason
Argon does not react.
Complete the following table relating to the atomic structure of some elements.
|
Element Symbol |
Atomic Number |
Mass Number |
Numbers of neutrons |
Number of Electrons |
Number of Protons |
|
Li |
3 |
6 |
|
|
|
|
Cl |
17 |
|
20 |
|
|
|
Na |
|
|
12 |
|
11 |
|
Al |
|
27 |
|
|
13 |
|
S |
|
32 |
16 |
|
|
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
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
How many atoms of each kind are present in the following molecule:
Chlorine
