atoms and the periodic table

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what is an atom?
the smallest part of matter that can take part in a chemical reaction
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what is an element?
they make up the periodic table. it is a pure substance containing only one type of atom
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what is a compound?
2 or more elements that have bonded chemically through a reaction.
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what is a mixture?
2 or more substances that have not chemically bonded through a reaction and have been mixed together
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what are the three types of bond?
ionic bond,covailent bond and metalic bonds
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evaporation
when the solvent's boiling point is lower than the solute.
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magnetisum
when a substance is magnetic.
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distilation
using different boiling points to seperate a mixture
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filtration
to separate an insoluable solid from a liquid.
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chromotography
to separate substances that dissolve in the solute and uses attraction either to the solvent or paper to move different distances
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what is a group in the periodic table?
a section in the periodic table where all the elements have similar properties and reactants.
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in the periodictable what is a period?
a row in the periodic table with the atomic nimber increacing by one.
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name the groups in the periodic table.
group 1-alkali metals, group 2-alkali earth metals,group 7-haloegens, group 8-noble gases.
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what is relative atomic mass?
the mass of an atom compared to carbon 12
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what is an isotope?
a version of an element with a different atomic mass figure.
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Other cards in this set

Card 2

Front

they make up the periodic table. it is a pure substance containing only one type of atom

Back

what is an element?

Card 3

Front

2 or more elements that have bonded chemically through a reaction.

Back

Preview of the back of card 3

Card 4

Front

2 or more substances that have not chemically bonded through a reaction and have been mixed together

Back

Preview of the back of card 4

Card 5

Front

ionic bond,covailent bond and metalic bonds

Back

Preview of the back of card 5
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