Chemistry

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  • Created by: xanjk26x
  • Created on: 07-09-14 14:51
Chemical symbol for Potassium
Ca
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Define an Element
An element is a substance that is made entirely from one type of atom.
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What is a molecule?
When atoms join together, the group of combined atoms is a molecule.
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Define a mixture
Mixtures are made up of at least two or more substances together that have not been chemically bonded.
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What is the charge of a proton?
+1
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What is the mass of an electron?
1/2000
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Atomic number-
Number of protons in an atom
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Mass number-
Sum of the Protons and neutrons
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RAM=
(% of A x mass number A) + (% of B x mass number B) /100
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Correct Electron configuration
2,8,8
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Formula of sodium sulphate:
Na2SO4
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Period number=
Number of electron shells
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Group number=
Number of outer electron shells
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Other cards in this set

Card 2

Front

Define an Element

Back

An element is a substance that is made entirely from one type of atom.

Card 3

Front

What is a molecule?

Back

Preview of the front of card 3

Card 4

Front

Define a mixture

Back

Preview of the front of card 4

Card 5

Front

What is the charge of a proton?

Back

Preview of the front of card 5
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