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प्रश्न
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
उत्तर
`""_17^35"CI"` and `""_17^37"CI"` are isotopes of chlorine element which differ in the number of neutrons, whereas chemical properties are determined by the electronic configuration of an atom. Isotopes of an element are chemically alike.
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संबंधित प्रश्न
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
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.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
How are X-rays produced?
How do atoms attain noble gas configurations?
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
Match the following:
| 1. | Monoatomic gaseous atom | a. | Electrovalent bond |
| 2. | Octet rule | b. | Benzene |
| 3. | Ionic bond | c. | Water |
| 4. | Non-polar solvent | d. | Electronic theory of valence |
| 5. | Polar solvent | e. | Noble gases |
Choose the odd one out and write the reason:
Choose the odd one out and write the reason:
