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प्रश्न
What is an α (alpha) particle?
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उत्तर
An α-particle is a doubly charged helium ion (He2+) containing two protons and two neutrons. It is formed by removing two electrons from the helium atom.
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
Among the following compounds identify the compound that has all three bonds (ionic, covalent and coordinate bond).
Draw orbit structure diagram of calcium oxide (CaO).
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.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reduction.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of reducing agent.
\[\ce{^24_12Mg}\] 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.
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Choose the odd one out and write the reason:
