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प्रश्न
How are X-rays produced?
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उत्तर
When a beam of cathode rays is made to fall upon hard metallic targets like tungsten, X-rays are produced.
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संबंधित 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 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.
\[\ce{Pb -> Pb^2+ + 2e-}\]
Name the following:
Metal with valency 2
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 |
|
|
How do atoms attain noble gas configurations?
What do you understand by redox reactions?
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Give the orbital diagram of the following:
Methane
Give the orbital diagram of the following:
Hydrogen chloride
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
