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प्रश्न
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
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उत्तर
Inert gases are placed at the extreme right of the periodic table.
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संबंधित प्रश्न
Which of the following statement about the modern periodic table is correct?
(a) It has 18 horizontal rows known as periods.
(b) It has 7 vertical columns known as periods.
(c) It has 18 vertical columns known as groups.
(d) It has 7 horizontal rows known as groups.
What is the number of valence electrons in the atoms of first elements in a period?
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
Define:
Periodic table
Answer the following in respect of element `31/15 P`
Give its electronic configuration
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?
State the number of elements in Period 2 of the Periodic Table.
Complete the following flow chart.
State whether true or false. If false, correct the statement.
Lanthanides and actinides are kept at the bottom of the periodic table because they resemble each other but they do not resemble with any other group elements.
______ is the longest period in the periodical table.
