Advertisements
Advertisements
प्रश्न
What does a chemical symbol represent?
Advertisements
उत्तर
A chemical symbol is a shorthand method of representing an element.
Symbol of an element signifies:
- Name of the element.
- One atom of the element for example,
- The symbol O stands for the element of oxygen.
- One atom of oxygen.
APPEARS IN
संबंधित प्रश्न
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
State the type of element for the following:
Mercury
State the type of element for the following:
Fluorine
Write the radical of the following valency:
Sulphite
Write the chemical formula of the following:
calcium carbonate
Give the formula of the following gas:
Ammonia
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
What is meant by the term ‘symbol’?
How many elements are known at present?
