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Question
Write the names from the description.
Two elements having valency 4.
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Solution
Carbon and Silicon.
RELATED QUESTIONS
Write the name from the description.
The period with electrons in the shells K, L, and M.
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The group with valency zero.
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Write a short note on the following type of element –
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Reason: The difference in electronic configuration makes the element differ in their chemical properties along a period.
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occupy ______ block of the periodic table.
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Group 3-12 elements in the modern periodic table are called d block elements.
Assertion (A): Noble gases are chemically inert in nature.
Reason (R): Noble gases have stable electronic structures.
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| Column ‘A’ | Column ‘B’ |
| Manganese | (a) Metal |
| (b) Non-metal | |
| (c) Transition metal |
Answer the following questions related to the modern periodic table.
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Answer the following questions related to the modern periodic table.
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