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WorksheetsStructure of the Atom
Total questions: 8
Worksheet time: 6mins
Which one is the type of particles?
solid, liquid, gas
atom, ion, molecule
covalent and ionic
Which is Element?
Water, H2O
Carbon Dioxide, CO2
Oxygen, O2
Sodium Chloride, NaCl
Rate of diffusion is highest in _______
gas
liquid
solid
fact: all must be connected (jangan putus)
q: choose wrong statement
packed closely together but not in orderly manner
strong force of attraction
vibrate, rotate and move throughout the liquid
higher energy content
choose the right statement for temperature remain constant
heat energy absorbed by particles is being used to overcome the force of attraction between particles
heat loss to surroundings is exactly balanced by the heat energy liberated as particles attract one another
Atomic model in 1913 (shells)
Thomson
Chadwick
Rutherford
Bohr
Meaning of Isotopes
Atoms of the same element that have same number of proton but different number of electron
Atoms of the same element that have same number of proton but different number of neutron
Atoms that have same number of proton but different number of neutron
Atoms that have same number of proton but different nucleon number
Study metabolism of plants
Cobalt-60
Carbon-14
Krypton-85
Phosphorus-32
