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प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
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उत्तर
When the electro negativity difference between the two atoms is zero then the bond formed will be purely covalent.
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संबंधित प्रश्न
Five atoms are labelled from 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 an electronic configuration 2, 7?
(b) Write down the formula of the compound formed between C and D.
(c) predict which are: (i) metals, (ii) non-metals?
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.
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Compare :
Sodium atom and sodium ion
Give the orbital diagram of the following:
Nitrogen
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
