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प्रश्न
State what is meant by the term chemical formula.
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उत्तर
Chemical formula is the representation of a substance by means of symbols.
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संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
Explain why All the elements of a period have different chemical properties.
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
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(ii) Which two elements belong to the same period?
Give reasons for your choice.
Name the metals in the first twenty elements.
Distinguish between:
s-block - p-block
Which of the following elements will form an acidic oxide?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its electronic configuration.
