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
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
State which element exists in the highest percentage in earth’s crust.
State the type of element for the following:
Boron
Write the radical of the following valency:
Sodium
Give the formula of the following acid:
Hydrochloric
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).
Sulphide
What does the symbol '(g)' present in a chemical equation, mean?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
Antimony has the highest tensile strength.
Write a note on Greem symbols.
