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प्रश्न
Correct the statement.
Copper and zinc are representative elements.
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उत्तर
Copper and zinc are transition elements.
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संबंधित प्रश्न
The modern periodic table was prepared by ______.
How does the chemical reactivity of alkali metals vary on going in group 1 of the periodic table?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
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
An element X belongs to 3rd period and group 2 of the periodic table. State:
(a) number of valence electrons
(b) valency
(c) metal or non-metal
(d) name of the element
Name an alkali metal in period 3 and halogen in period 2.
Give the symbol and valency of the following element and radical.
Bisulphite
Find the odd one out and give its explanation.
Explain structure of modern periodic table in short.
The arrangement of elements in the Modern Periodic Table is based on their ______.
