Atoms
Molecules
People who Matter
Changes
Physical/Chemical
100
Atoms are made of?
What are subatomic particles.
100
Another name for a molecule. (When two atoms chemically combine it creates a...)
What is a Compound.
100
Coined the term Atomos.
Who is Democritus.
100
When a solid changes into a liquid.
What is melting.
100
Change of state is evidence of tis type of change.
What is Physical.
200
A sub atomic particle with a no charge.
What are Neutrons.
200
The total number of Atoms in a molecule of water.
What is 3, two Hydrogen and 1 Oxygen.
200
The person who believed that there were only 4 elements to make everything up.
Who is Aristotle.
200
When a liquid changes into a gas.
What is Vaporization.
200
Creating a brand new substance is evidence of this type of change.
What is Chemical.
300
A subatomic particle with a negative charge.
What are Electrons.
300
The type of bond where the atoms share electrons.
What is a covalent or molecular bond.
300
The first person to theorize about sub atomic particles.
Who is J.J. Thompson.
300
When a gas turns into a liquid.
What is Condensation.
300
bread turning into toast is an example of.
What is Chemical change.
400
Center of an Atom that makes up most of it's mass.
What is the Nucleus.
400
The type of bond where one atom loses an electron and the other atom gains an electron.
What is an ionic bond.
400
The people responsible for chemistry nomenclature.
Who are the Lavoisiers.
400
When a gas turns into a solid.
What is Deposition.
400
Alka seltzer in water is an example of.
What is Chemical change.
500
The number of protons in an atoms gives you this.
What is the Atomic Number.
500
When an atom has either a positive charge or a negative charge.
What is an ion.
500
The person responsible for the discovery of protons and neutrons in the nucleus.
Who is James Chadwick.
500
When a solid turns into a gas.
What is Sublimation.
500
Gold being melted to create a ring is a.
What is Physical change.
M
e
n
u