Advertisements
Advertisements
प्रश्न
What do the following symbol stand for?
2H
Advertisements
उत्तर
2H stands for 2 atoms of hydrogen element
APPEARS IN
संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
State the type of element for the following:
Arsenic
Give the formula of the following gas:
Nitrogen dioxide
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
What does a chemical symbol represent?
The name copper was taken from ______.
