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Atoms
Atom Review
26
Science
Not Applicable
08/06/2011

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Cards

Term
1 amu or 1 atomic mass unit
Definition
The mass of one proton or one neutron?
Term
electrons
Definition
Which subatomic particle is not found in the nucleus?
Term
nucleus
Definition
Protons and neutrons are in the _________ of an atom.
Term
proton
Definition
The identity of an element is determined by the number of_____________ present.
Term
volume
Definition
The majority of an atoms__________ is empty space and contains the electrons.
Term
mass
Definition
The nucleus creates almost all the ___________ of an atom.
Term
atomic number
Definition
The number of protons in an atom is the elements ____________ _______________.
Term
electrons
Definition
An atoms charge depends on the number of ___________ present.
Term
equal
Definition
The mass of one proton is __________ to the mass of one neutron
Term
atomic mass or mass number
Definition
The mass of protons + the mass of neutons create the atoms _________ ___________.
Term
valence electrons
Definition
Electrons responsible for bonding and found in the outer most shell of an atom are _____________ __________.
Term
clouds, shells, orbitals, levels, fields
Definition
Electrons are found in _________ around the nucleus.
Term
positive
Definition
Protons have a __________ charge.
Term
neutron
Definition
A subatomic particle with a neutral charge?
Term
atomic mass unit
Definition
Used to indicate mass on an atomic scale.
Term
negative
Definition
Electrons have a ________________ charge.
Term
1/1836
Definition
An electron has an atomic mass unit of about_____________amu.
Term
neutrons
Definition
The atomic mass - the number of protons = the number of _____________.
Term
isotopes
Definition
Two atoms that have the same number of protons but different numbers of neutrons in their nuclei are _______________.
Term
3 quarks
Definition
Protons and neutrons are composed of __________ ____________.
Term
ion
Definition
A positively or negatively charged atom is an ____________.
Term
protons, electrons
Definition
A neutral atom has an equal number of
____________ and _____________.
Term
negatively charged
Definition
An atom with more electrons is a(n) ___________ ___________atom called an ion.
Term
electrons
Definition
The energy levels of an atom hold_________.
Term
valence electrons
Definition
______________ ______________ are involve in bonding atoms.
Term
Neutral
Definition
___________ atoms have the same number of protons and electrons.
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