04. Ionization Energy
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Classification of Elements and Periodicity in Properties

89655 Highest ionizing power is exhibited by

1 $\alpha$-rays
2 $\beta$-rays
3 $\gamma$-rays
4 X-rays
UP CPMT-2007
Classification of Elements and Periodicity in Properties

89658 The successive ionization energy values for an element ' $X$ ' are given below :
(i) $1^{\text {st }}$ ionisation energy $=410 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(ii) $2^{\text {nd }}$ ionisation energy $=820 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(iii) $3^{\text {rd }}$ ionisation energy $=1100 \mathrm{~kJ} \mathrm{~mol}{ }^{-1}$
(iv) $4^{\text {th }}$ ionisation energy $=1500 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(v) $5^{\text {th }}$ ionisation energy $=3200 \mathrm{~kJ} \mathrm{~mol}^{-1}$
Find out the number of valence electron for the atom ' $\mathbf{X}^{\prime}$.

1 4
2 3
3 5
4 2
5 1
Kerala-CEE-2006
Classification of Elements and Periodicity in Properties

89659 First inonisation potential is highest for

1 $\mathrm{Na}$
2 $\mathrm{Mg}$
3 $\mathrm{Al}$
4 None of these
CG PET -2006
Classification of Elements and Periodicity in Properties

89663 Which among the following elements have lowest value of IE $_1$ ?

1 $\mathrm{Pb}$
2 $\mathrm{Sn}$
3 $\mathrm{Si}$
4 $\mathrm{C}$
UP CPMT-2004
NEET DIGITAL LIBRARY
Classification of Elements and Periodicity in Properties

89655 Highest ionizing power is exhibited by

1 $\alpha$-rays
2 $\beta$-rays
3 $\gamma$-rays
4 X-rays
UP CPMT-2007
Classification of Elements and Periodicity in Properties

89658 The successive ionization energy values for an element ' $X$ ' are given below :
(i) $1^{\text {st }}$ ionisation energy $=410 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(ii) $2^{\text {nd }}$ ionisation energy $=820 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(iii) $3^{\text {rd }}$ ionisation energy $=1100 \mathrm{~kJ} \mathrm{~mol}{ }^{-1}$
(iv) $4^{\text {th }}$ ionisation energy $=1500 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(v) $5^{\text {th }}$ ionisation energy $=3200 \mathrm{~kJ} \mathrm{~mol}^{-1}$
Find out the number of valence electron for the atom ' $\mathbf{X}^{\prime}$.

1 4
2 3
3 5
4 2
5 1
Kerala-CEE-2006
Classification of Elements and Periodicity in Properties

89659 First inonisation potential is highest for

1 $\mathrm{Na}$
2 $\mathrm{Mg}$
3 $\mathrm{Al}$
4 None of these
CG PET -2006
Classification of Elements and Periodicity in Properties

89663 Which among the following elements have lowest value of IE $_1$ ?

1 $\mathrm{Pb}$
2 $\mathrm{Sn}$
3 $\mathrm{Si}$
4 $\mathrm{C}$
UP CPMT-2004
Join With Us for More Updates
Classification of Elements and Periodicity in Properties

89655 Highest ionizing power is exhibited by

1 $\alpha$-rays
2 $\beta$-rays
3 $\gamma$-rays
4 X-rays
UP CPMT-2007
Classification of Elements and Periodicity in Properties

89658 The successive ionization energy values for an element ' $X$ ' are given below :
(i) $1^{\text {st }}$ ionisation energy $=410 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(ii) $2^{\text {nd }}$ ionisation energy $=820 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(iii) $3^{\text {rd }}$ ionisation energy $=1100 \mathrm{~kJ} \mathrm{~mol}{ }^{-1}$
(iv) $4^{\text {th }}$ ionisation energy $=1500 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(v) $5^{\text {th }}$ ionisation energy $=3200 \mathrm{~kJ} \mathrm{~mol}^{-1}$
Find out the number of valence electron for the atom ' $\mathbf{X}^{\prime}$.

1 4
2 3
3 5
4 2
5 1
Kerala-CEE-2006
Classification of Elements and Periodicity in Properties

89659 First inonisation potential is highest for

1 $\mathrm{Na}$
2 $\mathrm{Mg}$
3 $\mathrm{Al}$
4 None of these
CG PET -2006
Classification of Elements and Periodicity in Properties

89663 Which among the following elements have lowest value of IE $_1$ ?

1 $\mathrm{Pb}$
2 $\mathrm{Sn}$
3 $\mathrm{Si}$
4 $\mathrm{C}$
UP CPMT-2004
For More Updates join with Us
Classification of Elements and Periodicity in Properties

89655 Highest ionizing power is exhibited by

1 $\alpha$-rays
2 $\beta$-rays
3 $\gamma$-rays
4 X-rays
UP CPMT-2007
Classification of Elements and Periodicity in Properties

89658 The successive ionization energy values for an element ' $X$ ' are given below :
(i) $1^{\text {st }}$ ionisation energy $=410 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(ii) $2^{\text {nd }}$ ionisation energy $=820 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(iii) $3^{\text {rd }}$ ionisation energy $=1100 \mathrm{~kJ} \mathrm{~mol}{ }^{-1}$
(iv) $4^{\text {th }}$ ionisation energy $=1500 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(v) $5^{\text {th }}$ ionisation energy $=3200 \mathrm{~kJ} \mathrm{~mol}^{-1}$
Find out the number of valence electron for the atom ' $\mathbf{X}^{\prime}$.

1 4
2 3
3 5
4 2
5 1
Kerala-CEE-2006
Classification of Elements and Periodicity in Properties

89659 First inonisation potential is highest for

1 $\mathrm{Na}$
2 $\mathrm{Mg}$
3 $\mathrm{Al}$
4 None of these
CG PET -2006
Classification of Elements and Periodicity in Properties

89663 Which among the following elements have lowest value of IE $_1$ ?

1 $\mathrm{Pb}$
2 $\mathrm{Sn}$
3 $\mathrm{Si}$
4 $\mathrm{C}$
UP CPMT-2004
NEET DIGITAL LIBRARY