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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
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
Give two example of group 1 elements.
Explain why, the noble gases are placed in a separate group.
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
What do you understand by typical elements?
The d-block elements are called as ______ elements.
An element has the atomic number 12.
- Write the electric configuration.
- To which group and period does it belong.
Explain the position of hydrogen in the periodic table.
