Periodic Trends in Chemical Properties of Elements
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313236 \({\rm{H}}\mathop {\rm{C}}\limits^{\rm{1}} \equiv \mathop {\rm{C}}\limits^{\rm{2}} - \mathop {\rm{C}}\limits^{\rm{3}} {\rm{H}} = \mathop {\rm{C}}\limits^{\rm{4}} {\rm{H}} - \mathop {\rm{C}}\limits^{\rm{5}} {{\rm{H}}_{\rm{3}}}\) Which carbon atom will show minimum electronegativity?

1 Fifth
2 Third
3 First
4 Second
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313159 The van der Waal and covalent radii of fluorine atom respectively from the following figure are
supporting img

1 219 pm, 72 pm
2 75 pm, 72 pm
3 147 pm, 72 pm
4 147 pm, 144 pm
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313160 3 students Ram, Shyam and Raj measured the radius of an element A. The values of their practical were not same (Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm). Their teacher explained that their measurements were correct by saying that the recorded values are

1 Metallic, van der Waal and covalent radii respectively
2 Covalent, Metallic and Van der Waal radii respectively
3 Van der Waal, Metallic and covalent radii respectively
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313161 Statement A :
Atomic size increases along a period.
Statement B :
Effective nuclear charge increases as the atomic number increases resulting in the increased attraction of electrons to the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313236 \({\rm{H}}\mathop {\rm{C}}\limits^{\rm{1}} \equiv \mathop {\rm{C}}\limits^{\rm{2}} - \mathop {\rm{C}}\limits^{\rm{3}} {\rm{H}} = \mathop {\rm{C}}\limits^{\rm{4}} {\rm{H}} - \mathop {\rm{C}}\limits^{\rm{5}} {{\rm{H}}_{\rm{3}}}\) Which carbon atom will show minimum electronegativity?

1 Fifth
2 Third
3 First
4 Second
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313159 The van der Waal and covalent radii of fluorine atom respectively from the following figure are
supporting img

1 219 pm, 72 pm
2 75 pm, 72 pm
3 147 pm, 72 pm
4 147 pm, 144 pm
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313160 3 students Ram, Shyam and Raj measured the radius of an element A. The values of their practical were not same (Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm). Their teacher explained that their measurements were correct by saying that the recorded values are

1 Metallic, van der Waal and covalent radii respectively
2 Covalent, Metallic and Van der Waal radii respectively
3 Van der Waal, Metallic and covalent radii respectively
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313161 Statement A :
Atomic size increases along a period.
Statement B :
Effective nuclear charge increases as the atomic number increases resulting in the increased attraction of electrons to the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313236 \({\rm{H}}\mathop {\rm{C}}\limits^{\rm{1}} \equiv \mathop {\rm{C}}\limits^{\rm{2}} - \mathop {\rm{C}}\limits^{\rm{3}} {\rm{H}} = \mathop {\rm{C}}\limits^{\rm{4}} {\rm{H}} - \mathop {\rm{C}}\limits^{\rm{5}} {{\rm{H}}_{\rm{3}}}\) Which carbon atom will show minimum electronegativity?

1 Fifth
2 Third
3 First
4 Second
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313159 The van der Waal and covalent radii of fluorine atom respectively from the following figure are
supporting img

1 219 pm, 72 pm
2 75 pm, 72 pm
3 147 pm, 72 pm
4 147 pm, 144 pm
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313160 3 students Ram, Shyam and Raj measured the radius of an element A. The values of their practical were not same (Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm). Their teacher explained that their measurements were correct by saying that the recorded values are

1 Metallic, van der Waal and covalent radii respectively
2 Covalent, Metallic and Van der Waal radii respectively
3 Van der Waal, Metallic and covalent radii respectively
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313161 Statement A :
Atomic size increases along a period.
Statement B :
Effective nuclear charge increases as the atomic number increases resulting in the increased attraction of electrons to the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313236 \({\rm{H}}\mathop {\rm{C}}\limits^{\rm{1}} \equiv \mathop {\rm{C}}\limits^{\rm{2}} - \mathop {\rm{C}}\limits^{\rm{3}} {\rm{H}} = \mathop {\rm{C}}\limits^{\rm{4}} {\rm{H}} - \mathop {\rm{C}}\limits^{\rm{5}} {{\rm{H}}_{\rm{3}}}\) Which carbon atom will show minimum electronegativity?

1 Fifth
2 Third
3 First
4 Second
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313159 The van der Waal and covalent radii of fluorine atom respectively from the following figure are
supporting img

1 219 pm, 72 pm
2 75 pm, 72 pm
3 147 pm, 72 pm
4 147 pm, 144 pm
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313160 3 students Ram, Shyam and Raj measured the radius of an element A. The values of their practical were not same (Ram = 110 nm, Shyam = 190 nm and Raj = 108 nm). Their teacher explained that their measurements were correct by saying that the recorded values are

1 Metallic, van der Waal and covalent radii respectively
2 Covalent, Metallic and Van der Waal radii respectively
3 Van der Waal, Metallic and covalent radii respectively
4 None of these
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313161 Statement A :
Atomic size increases along a period.
Statement B :
Effective nuclear charge increases as the atomic number increases resulting in the increased attraction of electrons to the nucleus.

1 Statement A is correct but statement B is incorrect
2 Statement A is incorrect but statement B is correct
3 Both statements are correct
4 Both statements are incorrect