Modern Periodic Law, Moseley’s Equation and the Present Form of the Periodic Table
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313066 Which of the following groups of periodic table contains the maximum number of elements with different valence shell electron configuration?

1 9
2 8
3 6
4 10
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313067 What should be the atomic number of the next halogen if discovered in future?

1 115
2 119
3 117
4 121
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313068 It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power " n " i.e. \(\mathrm{v}^{\mathrm{n}}\) of X-rays emitted is plotted against atomic number 'Z', following graph is obtained. The value of " n " is
supporting img

1 1
2 2
3 3
4 \(1/2\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313069 The period number in the long form of the periodic table is equal to

1 Magnetic quantum number of any element of the period.
2 Atomic number of any element of the period.
3 Maximum Principal quantum number of any element of the period.
4 Maximum Azimuthal quantum number of any element of the period.
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313066 Which of the following groups of periodic table contains the maximum number of elements with different valence shell electron configuration?

1 9
2 8
3 6
4 10
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313067 What should be the atomic number of the next halogen if discovered in future?

1 115
2 119
3 117
4 121
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313068 It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power " n " i.e. \(\mathrm{v}^{\mathrm{n}}\) of X-rays emitted is plotted against atomic number 'Z', following graph is obtained. The value of " n " is
supporting img

1 1
2 2
3 3
4 \(1/2\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313069 The period number in the long form of the periodic table is equal to

1 Magnetic quantum number of any element of the period.
2 Atomic number of any element of the period.
3 Maximum Principal quantum number of any element of the period.
4 Maximum Azimuthal quantum number of any element of the period.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313066 Which of the following groups of periodic table contains the maximum number of elements with different valence shell electron configuration?

1 9
2 8
3 6
4 10
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313067 What should be the atomic number of the next halogen if discovered in future?

1 115
2 119
3 117
4 121
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313068 It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power " n " i.e. \(\mathrm{v}^{\mathrm{n}}\) of X-rays emitted is plotted against atomic number 'Z', following graph is obtained. The value of " n " is
supporting img

1 1
2 2
3 3
4 \(1/2\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313069 The period number in the long form of the periodic table is equal to

1 Magnetic quantum number of any element of the period.
2 Atomic number of any element of the period.
3 Maximum Principal quantum number of any element of the period.
4 Maximum Azimuthal quantum number of any element of the period.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313066 Which of the following groups of periodic table contains the maximum number of elements with different valence shell electron configuration?

1 9
2 8
3 6
4 10
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313067 What should be the atomic number of the next halogen if discovered in future?

1 115
2 119
3 117
4 121
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313068 It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power " n " i.e. \(\mathrm{v}^{\mathrm{n}}\) of X-rays emitted is plotted against atomic number 'Z', following graph is obtained. The value of " n " is
supporting img

1 1
2 2
3 3
4 \(1/2\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313069 The period number in the long form of the periodic table is equal to

1 Magnetic quantum number of any element of the period.
2 Atomic number of any element of the period.
3 Maximum Principal quantum number of any element of the period.
4 Maximum Azimuthal quantum number of any element of the period.