Periodic Classification of Elements
Which sequence of ionization potential is correct?
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Single Choice
Ionisation energy in the alkali metals group :
Aincreases from Li to Cs
Bdecreases from Li to Cs
Correct Answer
Cremains the same
Dfirst increases then decreases
Solution
IE decreases on moving down the group as the atomic radii increases and the outer electrons moves farther away from nucleus and the electron is not tightly bound to nucleus.
SIMILAR QUESTIONS
Periodic Classification of Elements
Which ionisation potential (IP) in the following equations involves the greatest ammount of energy?
Periodic Classification of Elements
As nuclear charge increases and atomic radii increases, ionisation potential :
Periodic Classification of Elements
B has a smaller first ionization enthalpy than Be. Consider the following statements: (I) it is easier to remove $$2p$$ electron than $$2s$$ electron (II) $$2p$$ electron of B is more shielded from the nucleus by the inner core of electrons than the $$2s$$ electrons of Be (III) $$2s$$ electron has some penetration power than $$2p$$ electron (IV) atomic radius of B is more than Be (atomic number $$B=5, Be=4$$) The correct statements are:
Periodic Classification of Elements
In comparison to boron, berylium has:
Periodic Classification of Elements
The electronic configuration with the highest ionization enthalpy is:
Periodic Classification of Elements
Which of the following atoms has the highest first ionization energy?
Periodic Classification of Elements
The decreasing order of the ionization potential of the following elements is:
Periodic Classification of Elements
Arrange the elements $$Se, Cl$$ and $$S$$ in the increasing order of ionisation energy.
Periodic Classification of Elements
Which of the following has maximum ionisation potential?
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