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WorksheetsReview
Total questions: 20
Worksheet time: 13mins
The concept that matter was made up of atoms was first explored by an ancient Greek philosopher
Heraclitus
Aristotle
Empedocles
Democritus
Who was the Greek philosopher who thought that the basic element of matter was water?
(a)
A particle named by Ernest Rutherford
Proton
Nuetron
Electron
Atoms
A particle discovered by James Chadwick
Proton
Electron
Nuetron
Atoms
Most abundant element in the universe
Nitrogen
Carbon
Oxygen
Hydrogen
A water is a _____ type of molecule
Non polar
polar
ionic
dipole
CH4 is what type of molecule
Non polar
polar
ionic
dipole
Who said that the basic element of matter was air
Heraclitus
Thales
Anaximenes
Aristotle
An element with the highest electronegativity
Chlorine
Oxygen
Hydrogen
Fluorine
Symbol of Iron
I
Ir
Fe
F
Type of bond with range of 0 - 0.4
Non polar bond
Non polar molecule
Polar Bond
Polar molecule
A type of bond with the range of 0.5 - 1.7
Non polar molecule
Non polar bond
Polar bond
Polar molecule
which of the following has a hydrogen bonding
CH4
NH3
H2C
HCl
Which type of intermolecular force is responsible for the nonpolar molecules
Hydrogen bonding
London Dispersion Force
Dipole dipole
Ionic
Which type of intermolecular force is responsible for the polar molecule
Hydrogen bonding
London Dispersion force
Dipole dipole
Ionic
According to collision theory, for a chemical reaction to occur, what must happen?
The reactant particles must be at a very low temperature.
The reactant particles must be in a liquid state.
The reactant particles must be in a gaseous state.
The reactant particles must collide with sufficient energy and proper orientation.
According to collision theory, what happens when reactant particles collide with insufficient energy?
Nothing happens
They release energy as heat.
They bounce off each other without reacting.
They release energy as heat.
who said that the basic element of matter was fire
Heraclitus
Thales
Anaximenes
Aristotle
Intermolecular force is extremely weak in
Solids
Liquids
Gasses
Water
what effect does an increase in temperature have on the rate of most chemical reactions?
It decreases the rate.
It has no effect on the rate.
It increases the rate.
It depends on the specific reaction.
