Advertisements
Advertisements
प्रश्न
Explain the term ‘atomicity’.
उत्तर
It is the number of atoms present in a molecule of an element.
APPEARS IN
संबंधित प्रश्न
What does 2H2S represent ?
Write the molecular formulae of Hydrogen chloride :
State the term
The symbolic representation of a molecule ______
State the term
The combining capacity of an element _______
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.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
What is the number of electrons after the transfer of electrons in magnesium and sulphur atoms.
Diagrammatically represent the transfer of electrons.
Fill in the blank:
The formula of aluminium sulphate is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Ammonium sulphate
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Molecule containing more than three atoms are known as ______.
How many atoms are present in a `PO_4^(3-)` ion?
Express each of the following in kilograms
58.34 g
Compute the number of ions present in 5.85 g of sodium chloride
A group of atoms carrying a fixed charge on them is called ————.