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20 Cards in this Set

  • Front
  • Back
What are the three basic parts an atom
protons
neutrons
electrons
Protons have a __________ charge
positive
neutrons have a _________ charge
no
Electrons have a _________ charge
negitive
the ______ and the _______ are in the center or nucleus of the atom
protons
neutrons
the ______ orbit the atom
electrons
each atom has an equal number of _________ as __________
protons
electron
atoms are ______________ because of the because the negitive charge of the electrons and the positive charge of the protons.
neutral
nucleus
center of atom. contains most of the mass
electrons
very light negatively charged particles. circle nucleus.
protons
positly charged particles found in nucleus. = # as electrons.
neutrons
found in nucleus. no electric charge. neutral. aboutn same mass as protons
Read this sq of the periodic table:
6 A
C B
Carbon C
12.011 D
A- Atomic # B-Symbol C-Element Name D-Atomic Mass
Atomic # = # of _______ = # of _______
protons
electrons
mass # = ________ rounded
atomic mass
mass # - atomic # = ________ and ________
# of:
protons
electrons
do protons, neutrons, electrons, have weight?
p-yes
n-yes
e-no
are protons, electrons, neutrons neg. pos. or not charged?
n- negative
p-positive
n-neutral
read this formula:
pyrite fool's gold FeS2
1 atom of Iron
2 atoms of Sulfer
Where are the protons, neutrons, and electrons found?
p-inside the nucleus
n-inside
e-outside