The Metric System
The Prefix for 'Thousand.'
What is Kilo
This Greek philosopher's erroneous ideas about matter persisted into the late 1700s.
Who is Aristotle.
A force of attraction between atoms due to sharing or transferring of electrons.
What is a chemical bond.
The SI unit for length.
What is the Meter.
This man developed the first Atomic Theory.
Who is (John) Dalton.
Substances that undergo a chemical change.
What are Reactants.
A measurement always has these two parts.
What is a number and a unit.
This scientist created the 'Plum Pudding' model of the atom.
Who is J.J. Thomson.
An atom that has a positive or negative charge.
The unit for temperature measurement most often used in scientific research.
What is degrees Celsius.
This scientist created the nuclear model of the atom in 1911.
Who is (Ernest) Rutherford.
A pure substance that contains two or more elements chemically joined in a fixed proportion.
What is a Molecule.
The Prefix for 'Hundredth"
What is 'Centi'
This model described electrons as orbiting around the nucleus at fixed distances, like planets around the sun.
What is Bohr's Model.
The ratio of a substance's mass to its volume is defined by this equation.
Density = mass/volume.