Advertisements
Advertisements
Question
Give one example of a polyatomic molecule.
Advertisements
Solution
A polyatomic molecule
| Element | Molecule | Atomicity |
| Phosphorus p | P4 | 4 |
RELATED QUESTIONS
Give the name of the element present in the following compound:
Quick lime
State the term.
The number of atoms present in a molecule of an element _________
Define: Atomic weight :
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
Work out the formula for magnesium hydrogencarbonate.
Molecular compounds are usually formed by the combination between :
An element A forms an oxide A2O5.
What is the valency of element A ?
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Give one example of a triatomic molecule
Give a reason why –
Ozone is considered triatomic, but phosphorus a tetratomic molecule.
State the atomicity of the following:
Neon
State the atomicity of the following:
Oxygen
State the atomicity of the following:
Chlorine
State true of false. If false, give the correct statement.
NaCl represents one molecule of sodium chloride.
The Atomicity of phosphorous is ______
Two elements sometimes can form more than one compound.
Give any two examples for heterodiatomic molecules.
Derive the relationship between Relative molecular mass and Vapour density.
