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