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14 Cards in this Set
- Front
- Back
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What are the three basic parts of the atom?
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protons, neutrons and electrons
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The ___ and ___ of an atom together make up the nucleus of the atom.
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protons and neutrons
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The ____ are orbiting the nucleus at high speeds.
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electrons
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_____ substances have paired electrons that cancel out their magnetic fields.
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Nonmagnetic
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_____ substances lack "partners" to orbit with and keep their magnetic field.
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Magnetic
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____ has 4 unpaired electrons and is perhaps the most magnetic of substances.
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Iron
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A ____ is a group of aligned atoms with a single magnetic field.
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domain
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What is the domain theory?
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Magnetic substances are substances whose atoms line up to form magnetic domains.
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What are some examples of nonmagnetic substances?
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lead, copper, gold, salt
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____,___ and ____ are weakly attracted to magnets.
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Aluminum, oxygen and wood
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Materials that are strongly attracted to magnets are called _______________.
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ferromagnetics
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___ and ____ are ferromagnetics.
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Cobalt and nickel
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A _____ magnet is a substance that quickly loses most of its magnetism when the magnetic field is removed.
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temporary magnet
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Materials that strongly resist chnages in their magnetic fields are known as ___ substances and are called permanent magnets.
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hard substances
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