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प्रश्न
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
उत्तर
Four single covalent bonds are formed between the carbon and chlorine atoms.
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संबंधित प्रश्न
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.
Define the term:
orbit
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'
Give reason
Argon does not react.
Explain
Duplet rule for the formation of hydrogen
Draw orbit structure diagram of sodium chloride (NaCl).
Draw orbit structure diagram of calcium oxide (CaO).
The element that would form anion by gaining electrons in a chemical reaction is ______.
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
