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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.
संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 1 elements are called ...............
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
Explain why All the elements of a group have similar chemical properties.
Explain why All the elements of a period have different chemical properties.
What are the groups in a periodic table? Give two characteristics of each.
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
Answer the following question.
Define the atomic size. Give its unit of measurement. In the modern periodic table what trend is observed in the atomic radius in a group and a period and why is it so?
Give the symbol and valency of the following element and radical.
Sodium
Give the symbol and valency of the following element and radical.
Zinc
Distinguish between:
Group 17 - Group 18
