Advertisements
Advertisements
प्रश्न
How are X-rays produced?
Advertisements
उत्तर
When a beam of cathode rays is made to fall upon hard metallic targets like tungsten, X-rays are produced.
APPEARS IN
संबंधित प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
How many electrons are required by each atom mentioned in (a) to attain the nearest noble gas configuration?
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
What is an α (alpha) particle?
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
Explain fractional atomic mass. What is the fractional mass of chlorine?
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical 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.
Elements with stable electronic configurations have eight electrons in their valence shell. They are ______.
Write the basic concept of Kossel – Lewis theory.
