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20 Cards in this Set

  • Front
  • Back
The basic building blocks of all matter are
ATOMS and MOLECULES
What is the smallest matter that is recognizable (you can identify the substance)?
ATOMS
How many different particles make up an atom?
3
What are the different smaller particles that make up an atom?
PROTON, NEUTRON, ELECTRON
Smaller particles of an atom are called
SUBATOMIC PARTICLES
What are the main types of subatomic particles?
PROTON, NEUTRON, ELECTRON
The center of the atom is called the
NUCLEUS
What subatomic particles are found in the nucleus?
PROTONS and NEUTRONS
Protons are found
IN THE NUCLEUS
Neutrons are found
IN THE NUCLEUS
Electrons are found
AROUND THE NUCLEUS
The charge of a proton is
POSITIVE
The charge of a neutron is
NEUTRAL (ZERO, NO CHARGE)
The charge of an electron is
NEGATIVE
Protons have __ mass as neutrons.
THE SAME
Protons have __ mass as electrons.
2000 TIMES MORE
Neutrons have __ mass as electons.
2000 TIMES MORE
Most of the mass of an atom is found in the
NUCLEUS
Another name for a proton or neutron is a
NUCLEON
The theory that states that all matter is composed of tiny particles of atoms is the
ATOMIC THEORY