The following table gives the difference between elements and compounds. Which of the given difference is incorrect?
2
3
4
1
Compound is a pure substance made up two or more elements combined chemically in a fixed ratio by mass.
ElementsCompounds(1) Pure substance(1) Impure substance(2) Has only one kind of atoms(2) Has two or more kinds ofatoms(3) Represented by symbol(3) Represented by chemicalformula(4) Smallest particle is atom(4) Smallest particle is molecule
Parameter
PCR
Gene cloning
Efficient
More
Less
Apparatus Requirement
DNA
Restriction enzyme, ligase, vector, bacterial cell
Manipulation
In vitro
In vitro and in vivo
Cost
5
Automation
Yes
No
6
Error probability
7
Time for a typical experiment
2-4 days
4 hours
8
Application
What is the difference between elements and compounds