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What property determines the placement of elements in the periodic table?
- a)Atomic weight
- b)Atomic number
- c)Electron configuration
- d)All of the above
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
What property determines the placement of elements in the periodic tab...
The placement of elements in the periodic table is determined by their atomic weight, atomic number, and electron configuration.
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What property determines the placement of elements in the periodic tab...
Atomic weight:
- Atomic weight is the average mass of an element's isotopes, but it does not determine the placement of elements in the periodic table.
- The atomic weight of an element can vary based on the presence of different isotopes, which can affect the placement of elements in the periodic table.
Atomic number:
- Atomic number is the number of protons in an atom's nucleus, which uniquely identifies an element.
- Elements are arranged in the periodic table based on their atomic number, which increases from left to right and top to bottom.
- The atomic number determines the element's position in the periodic table, as elements with similar atomic numbers exhibit similar chemical properties.
Electron configuration:
- Electron configuration refers to the distribution of electrons in an atom's electron shells.
- The electron configuration of an element influences its chemical properties and reactivity.
- Elements are grouped in the periodic table based on their electron configurations, which helps predict their behavior in chemical reactions.
All of the above:
- The placement of elements in the periodic table is determined by a combination of atomic weight, atomic number, and electron configuration.
- Atomic number is the primary factor used to arrange elements in the periodic table, as it reflects the number of protons in an atom.
- Electron configuration and atomic weight provide additional information about an element's properties, but they are secondary to the atomic number in determining the element's position in the periodic table.
- Atomic weight is the average mass of an element's isotopes, but it does not determine the placement of elements in the periodic table.
- The atomic weight of an element can vary based on the presence of different isotopes, which can affect the placement of elements in the periodic table.
Atomic number:
- Atomic number is the number of protons in an atom's nucleus, which uniquely identifies an element.
- Elements are arranged in the periodic table based on their atomic number, which increases from left to right and top to bottom.
- The atomic number determines the element's position in the periodic table, as elements with similar atomic numbers exhibit similar chemical properties.
Electron configuration:
- Electron configuration refers to the distribution of electrons in an atom's electron shells.
- The electron configuration of an element influences its chemical properties and reactivity.
- Elements are grouped in the periodic table based on their electron configurations, which helps predict their behavior in chemical reactions.
All of the above:
- The placement of elements in the periodic table is determined by a combination of atomic weight, atomic number, and electron configuration.
- Atomic number is the primary factor used to arrange elements in the periodic table, as it reflects the number of protons in an atom.
- Electron configuration and atomic weight provide additional information about an element's properties, but they are secondary to the atomic number in determining the element's position in the periodic table.
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Community Answer
What property determines the placement of elements in the periodic tab...
In periodic table arranged by mendeleev property determined by the placement of element is followed by periodic law which is based on atomic mass(atomic weight).
in modern periodic table only based on the arrangement of atomic number. The question state periodic table so answer will be option a
in modern periodic table only based on the arrangement of atomic number. The question state periodic table so answer will be option a
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What property determines the placement of elements in the periodic table?a)Atomic weightb)Atomic numberc)Electron configurationd)All of the aboveCorrect answer is option 'D'. Can you explain this answer?
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