Chemistry C1 1.1

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what are all substances made of?
atoms
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some substances are only made up of one atom, what do we call these?
elements
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what is a compound?
when an element is not pure and are made up of different type of atoms joined together
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what holds atoms tightly together in compunds?
chemical bonds
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what is an atom made up of?
a tiny central nucleus, with electrons around it
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what are elements made of?
protons, neutrons & electrons
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how do we represent atoms and elements?
represented by chemical symbols in the periodic table
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what's a molecule?
a grouping of two or more atoms bonded together
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Other cards in this set

Card 2

Front

some substances are only made up of one atom, what do we call these?

Back

elements

Card 3

Front

what is a compound?

Back

Preview of the front of card 3

Card 4

Front

what holds atoms tightly together in compunds?

Back

Preview of the front of card 4

Card 5

Front

what is an atom made up of?

Back

Preview of the front of card 5
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