Advertisements
Advertisements
प्रश्न
What is the number of electrons donated by a magnesium atom and number of electrons accepted by a sulphur atom during their chemical combination?
उत्तर
Two, Two
APPEARS IN
संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 2C02 represent ?
What does 2H2S represent ?
Write the molecular formulae of Hydrogen chloride :
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Nitric acide :
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
What is the number of electrons after the transfer of electrons in magnesium and sulphur atoms.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Sodium bisulphite
State the correct formula of the following from the option given:
Ammonium sulphate
State the correct formula of the following from the option given:
Aluminium phosphate
Molecule containing more than three atoms are known as ______.
Define molecule.
How many atoms are present in a `PO_4^(3-)` ion?
______ of an element consist of a fixed number of different types of atom.
