Advertisements
Advertisements
प्रश्न
Give the formula of the following gas:
Carbon monoxide
उत्तर
Carbon monoxide – CO
APPEARS IN
संबंधित प्रश्न
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
State which element exists in the highest percentage in earth’s crust.
Give the symbol of the following element:
Oxygen
State the type of element for the following:
Zinc
Give the symbol of the following element:
Phosphate
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).
Permanganate
The pictorial symbol for water given by the alchemists was
Mass of one atom of oxygen is
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
How many elements are known at present?
