States of matter
Atomic structure
Structure and bonding
Periodic table
Separation technique
100
Particles can vibrate only
What is the charateistic / property of a solid?
100
total no of protons and neutrons in an atom
What is a nucleon or mass number?
100
metal and non metal bond together
What is an ionic bonding?
100
Horizontal rows in the Periodic table
What is a period?
100
Separation of water from salt water
What is simple distillation?
200
solid to liquid
What is melting?
200
sub atomic particle which has a negative charge
What is an electron?
200
bonding between metal ions with the sea of electrons
What is metallic bonding?
200
Special name for group VII elements
What is halogen?
200
separation of different fractions of crude oil
What is fractional distillation?
300
solid to gas
What is sublimation?
300
2.8.1
What is the elctronic configuration of sodium?
300
same element but different structure in the same physical state
What is allotropes?
300
these elements shows both the properties of metals and non metals
What are semi-metals or metalloids?
300
useful in forensic chemistry
What is chromatography?
400
movement of particles from a more concentrated region to a less concentrated region
What is diffusion?
400
medicinal (radiotherapy) and industrial (nuclear power generation) uses
What are the uses of radioisotopes?
400
graphite, diamond, buckminsterfullerene (bucky ball) and graphene
What are the allotropes of carbon?
400
these elements can form coloured compounds
What are transition elements?
400
separation of plasma from blood
What is centrifuge?
500
collision of smoke particles with air particles
What is Brownian movement?
500
same atomic no but different mass no
What is an isotope?
500
monoatomic non metals
What are noble gases?
500
solid non metal which can sublime
What is iodine?
500
distance moved by the substance / distance moved by the solvent
What is retention factor or Rf value?