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