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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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Write a short note on the following type of element –
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The periods which contain the inner transition elements.
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
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d-block elements are otherwise known as ______.
f-block elements are also known as ______.
Group 3-12 elements in the modern periodic table are called d block elements.
Assertion (A): Group 2 elements in the modem periodic table are called alkaline earth metals.
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| Column ‘A’ | Column ‘B’ |
| Manganese | (a) Metal |
| (b) Non-metal | |
| (c) Transition metal |
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Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
