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Polymers are chains of molecules that ________________.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
A molecule is:
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
The atomic weight of an atom is mostly the mass of its __________.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
______ is matter made of one kind of atom.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
Scientists have identified about 100 different kinds of _____.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
H2, O2, and N2 are all examples of ________.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
What are compounds? Compounds are ________.
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
Compare a proton to a neutron
chemical combinations of two or more elements
An element
protons and neutrons
diatomic molecules
A proton has a positive charge while a neutron has no charge.
two or more atoms that are chemically bonded.
can stretch forever
atoms
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