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In the modern long-form of periodic table, the horizontal rows and the vertical columns are called as __________ and ___________ respectively.
- a)groups, periods
- b)periods, groups
- c)rows, columns
- d)columns, rows
Correct answer is option 'B'. Can you explain this answer?
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In the modern long-form of periodic table, the horizontal rows and the...
In the most convenient and widely used periodic table of the long-form that is the modern version, the horizontal rows and the vertical columns are called as periods (series as per Mendeleev) and groups respectively.
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In the modern long-form of periodic table, the horizontal rows and the...
Periods and Groups in the Periodic Table
Periods and groups are essential components of the modern long-form periodic table. Let's understand the significance of each:
Periods:
- Periods are the horizontal rows in the periodic table.
- There are a total of 7 periods in the modern periodic table.
- Elements in the same period have the same number of electron shells.
Groups:
- Groups are the vertical columns in the periodic table.
- There are a total of 18 groups in the modern periodic table.
- Elements in the same group have similar chemical properties due to the same number of valence electrons.
Relationship:
- The elements in the periodic table are arranged in periods and groups based on their atomic structure and properties.
- Elements in the same group exhibit similar chemical behaviors, while elements in the same period show trends in properties across the row.
Importance:
- Understanding periods and groups helps in predicting the chemical behavior of elements.
- It provides a systematic way to organize and study the properties of elements in the periodic table.
In conclusion, recognizing the distinction between periods and groups in the periodic table is crucial for comprehending the arrangement of elements and their properties.
Periods and groups are essential components of the modern long-form periodic table. Let's understand the significance of each:
Periods:
- Periods are the horizontal rows in the periodic table.
- There are a total of 7 periods in the modern periodic table.
- Elements in the same period have the same number of electron shells.
Groups:
- Groups are the vertical columns in the periodic table.
- There are a total of 18 groups in the modern periodic table.
- Elements in the same group have similar chemical properties due to the same number of valence electrons.
Relationship:
- The elements in the periodic table are arranged in periods and groups based on their atomic structure and properties.
- Elements in the same group exhibit similar chemical behaviors, while elements in the same period show trends in properties across the row.
Importance:
- Understanding periods and groups helps in predicting the chemical behavior of elements.
- It provides a systematic way to organize and study the properties of elements in the periodic table.
In conclusion, recognizing the distinction between periods and groups in the periodic table is crucial for comprehending the arrangement of elements and their properties.
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In the modern long-form of periodic table, the horizontal rows and the vertical columns are called as __________ and ___________ respectively.a)groups, periodsb)periods, groupsc)rows, columnsd)columns, rowsCorrect answer is option 'B'. Can you explain this answer?
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