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प्रश्न
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 questions based on the table above:
What is the formula of the compound formed between X and Z.
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उत्तर
XZ is the formula of the compound formed between X and Z.
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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.
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Explain
Duplet rule for the formation of hydrogen
Compare :
Sodium atom and sodium ion
What do you understand by redox reactions?
______ theory explains the formation of molecules.
What is a chemical bond?
How many atoms of each kind are present in the following molecule:
water
