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प्रश्न
______ forms the basis of the modern periodic table.
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उत्तर
Atomic number forms the basis of the modern periodic table.
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संबंधित प्रश्न
where should hydrogen be placed in the modern periodic table? Give reason for your answer.
On the basis of electronic configuration, how will you identify chemically similar elements?
The elements A, B, C and D belong to groups 1, 2, 14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond?
(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
What is the number of elements in the 1st period?
The horizontal rows in a periodic table are called _____.
Name the cation and the anion in the salt – calcium sulphate
Give the symbol and valency of the following element and radical.
Sulphate
Give the chemical formula of sodium nitrate
Give the chemical formula of magnesium nitrate
