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Question
Write the names from the description.
The metalloids in the second and third periods.
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Solution
Boron and Silicon.
RELATED QUESTIONS
Write the name from the description.
The group with valency zero.
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Two elements having valency 4.
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Write a short note on the following type of element –
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Name or state following with reference to the element of the first three periods of the periodic table.
The periods which contain the inner transition elements.
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f-block elements are also known as ______.
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What are the p-block elements
Group 1 (except hydrogen) elements are called alkali metals.
Group 3-12 elements in the modern periodic table are called d block elements.
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- What do (A), (B), (C), and (D) represent? [1]
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Answer the following questions related to the modern periodic table.
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