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प्रश्न
Give a reason
Physical properties of isotopes are different.
Give a reason for the following:
The physical properties of isotopes of the same element are not identical.
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उत्तर
Physical properties depend on atomic mass, and isotopes have different mass number, i.e. they have different number of neutrons. So, isotopes have different physical properties.
संबंधित प्रश्न
What type of bond is formed between two atoms, when the electronegative difference between them is low ?
What type of bond is formed between two atoms, when the electronegative difference between them is zero?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
State one observation which shows that atom is not indivisible.
Define the term:
orbit
Name the following:
Metal with valency 2
Write down the electronic configuration of
(i) chlorine atom (ii) chlorine ion
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
