Advertisements
Advertisements
प्रश्न
What does 2C02 represent ?
Advertisements
उत्तर
2C02 = 2 molecules of carbon dioxide.
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 2H2S represent ?
Write the molecular formulae of Sodiun sulphide:
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium oxide ?
The valency of sodium is one, write the molecular formula for sodium carbonate ?
The valency of sodium is one, write the molecular formula for sodium nitratev ?
State the term
The combining capacity of an element _______
What is a molecule ? Explain with an example.
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :
If one mole of nitrogen molecules weighs 28 g, calculate the mass of one molecule of nitrogen in grams.
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
Explain the term ‘atomicity’.
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
How many atoms are present in a `PO_4^(3-)` ion?
Compute the number of ions present in 5.85 g of sodium chloride
______ of an element consist of a fixed number of different types of atom.
