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प्रश्न
Define:
Periodic table
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उत्तर
The periodic table is a tabular arrangement of elements in horizontal rows, called periods, and vertical columns, called groups, to classify elements and facilitate their systematic study.
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संबंधित प्रश्न
What is the fundamental difference in the electron configurations between the group 1 and group 2 elements?
In what respects do the properties of group 1 elements differ from those of group 17 elements? Explain with examples by taking one element from each group.
How many groups and periods does the modern periodic table have?
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
What will be the formula of its phosphate?
From the standpoint of atomic structure, what determines which elements will be the first and which the last in a period of the periodic table?
Give the symbol and valency of the following element and radical.
Sodium
Give the chemical formula of carbonic acid
State the number of elements in Period 1 of the Periodic Table.
______ is the longest period in the periodical table.
Which one of the following elements exhibit maximum number of valence electrons?
