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प्रश्न
What are the periods in a periodic table?
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उत्तर
“Horizontal rows from left to right in a periodic table are called periods.”
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संबंधित प्रश्न
Which element has two shells, both of which are completely filled with electrons?
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
Define:
Periodic table
How many groups and periods does the modern periodic table have?
Name two elements in each case: Lanthanides
How many periods and groups are there in the modern periodic table?
Answer the following question in one sentence.
The modern periodic table is divided into which blocks?
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
