Atomic Structure

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atom
the smallest part of an element that can still be recognised as that element
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element
a substance made up of only one type of atom. an element cannot be broken down chemically into any smaller substance
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nucleus
the very small and dense central part of an atom which contains protons and neutrons
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electron
a tiny particle with a negative charge and orbit the nucleus in atoms and ions
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compound
substance made when two or more elements are chemically bonded together
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proton
a tiny positive particle found inside the nucleus of an atom
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neutron
a dense particle found in the nucleus of an atom, it is electrically neutral, carrying no charge
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atomic number
number of protons
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mass number
the number of protons pluss the number of neutrons in the nucleus of an atom
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shell
an area in an atom, around its nucleus where electrons are found
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electronic structure
a number to show the arrangement of electrons in their shells eg. 2,8,8,1
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Card 2

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element

Back

a substance made up of only one type of atom. an element cannot be broken down chemically into any smaller substance

Card 3

Front

nucleus

Back

Preview of the front of card 3

Card 4

Front

electron

Back

Preview of the front of card 4

Card 5

Front

compound

Back

Preview of the front of card 5
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