Chemistry Exam > Chemistry Questions > Which of these does not reflect the periodici...
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Which of these does not reflect the periodicity of the elements?
a)Bonding behaviour
b)Electronegativity
c)Ionization energy
d)Neutron/proton ratio
The correct answer is option 'D'. Can you explain this answer?
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Which of these does not reflect the periodicity of the elements?a)Bond...
Neutron/proton ratio is cause of radioactivity
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Which of these does not reflect the periodicity of the elements?a)Bond...
Answer :
d)Neutron/proton ratio
Neutron/proton ratio does not reflect the periodicity of elements. ... The
ratio increases with increasing atomic numbers due to increasing nuclear charge, due to repulsive forces of protons.
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Which of these does not reflect the periodicity of the elements?a)Bond...
Explanation:
Periodicity refers to the regular trends or patterns in the chemical and physical properties of elements as they are arranged in the periodic table. These trends are largely determined by the electronic structure of the atoms of the elements.
The periodicity of the elements is characterized by the following properties:
Bonding behavior:
- The tendency of an element to form a particular type of bond (ionic, covalent, metallic) with other elements can be predicted based on its position in the periodic table.
- Elements in the same group (column) tend to have similar bonding behavior because they have the same number of valence electrons.
Electronegativity:
- This is a measure of an element's ability to attract electrons towards itself in a chemical bond.
- Electronegativity generally increases from left to right across a period and decreases from top to bottom within a group.
Ionization energy:
- This is the energy required to remove an electron from an atom or ion in the gas phase.
- Ionization energy generally increases from left to right across a period and decreases from top to bottom within a group.
Neutron/proton ratio:
- This is the ratio of the number of neutrons to the number of protons in the nucleus of an atom.
- This property does not reflect the periodicity of the elements because it does not depend on the electronic structure of the atoms.
Therefore, option D, neutron/proton ratio, does not reflect the periodicity of the elements.
Periodicity refers to the regular trends or patterns in the chemical and physical properties of elements as they are arranged in the periodic table. These trends are largely determined by the electronic structure of the atoms of the elements.
The periodicity of the elements is characterized by the following properties:
Bonding behavior:
- The tendency of an element to form a particular type of bond (ionic, covalent, metallic) with other elements can be predicted based on its position in the periodic table.
- Elements in the same group (column) tend to have similar bonding behavior because they have the same number of valence electrons.
Electronegativity:
- This is a measure of an element's ability to attract electrons towards itself in a chemical bond.
- Electronegativity generally increases from left to right across a period and decreases from top to bottom within a group.
Ionization energy:
- This is the energy required to remove an electron from an atom or ion in the gas phase.
- Ionization energy generally increases from left to right across a period and decreases from top to bottom within a group.
Neutron/proton ratio:
- This is the ratio of the number of neutrons to the number of protons in the nucleus of an atom.
- This property does not reflect the periodicity of the elements because it does not depend on the electronic structure of the atoms.
Therefore, option D, neutron/proton ratio, does not reflect the periodicity of the elements.
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