Chemistry- Fundamental ideas

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Group 0
Noble Gases, unreactive
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Mass Number
Top number
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Atomic number
Bottom number, = to number of protons and electrons
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Atom
Smallest part of an element.
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Element
Substance made from only one type of atom.
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Compounds.
2 or more elements chemically bonded.
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Nuclues
Made of protons and neutrons.
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Boiling and melting energy
Absorbs energy as it takes place.
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Freezing and condensing energy
Releases energy as it takes place.
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Diffusion
The random movement of liquid and gas particles.
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The smaller the molecule...
... the faster the diffusion.
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Elements in the same group have...
... similar properties.
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The group number is = to...
... the number of electrons.
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Neutrons equation
mass number- atomic number.
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Protons and electrons = to
atomic number
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Proton charge
+1
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Neutrons charge
0
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Electrons charge
-1
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Element like to have a ___ outer shell
full
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Isotope
Atoms of the same element can have different numbers of neutrons.
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Isotopes have the same nummber of...
... protons and electrons.
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Protons relative mass charge
1
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Neutrons relative mass charge
1
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Electrons relative mass charge
Very small.
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ammonia+ hydrogenchloride=
= ammoniumchloride
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Other cards in this set

Card 2

Front

Top number

Back

Mass Number

Card 3

Front

Bottom number, = to number of protons and electrons

Back

Preview of the back of card 3

Card 4

Front

Smallest part of an element.

Back

Preview of the back of card 4

Card 5

Front

Substance made from only one type of atom.

Back

Preview of the back of card 5
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