atomic structure

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  • Created by: iona.fl
  • Created on: 03-06-16 10:15
What do atoms consist of?
A central nucleus, made of protons and neutrons, surrounded by electrons orbiting in shells
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What does mass number mean?
The total number of protons and neutrons in an atom
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What does atomic number mean?
The total number of protons and neutrons in a nucleus.
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What does isotope mean?
Atoms of an element with the same number of protons and electrons but different numbers of neutrons.
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What does relative atomic mass mean?
Atoms' masses compared to each other.
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How is the periodic table arranged?
Elements in order of atom iv number
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How do you work out the amount if neutrons?
mass number - atomic number (both shown on table)
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What is electronic configuration?
A description of how the electrons are arranged
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What are the vertical columns i the periodic table called and what do they show?
They are called groups, the number of electrons in the outer shell of all the elements in a group is the same as the group number.
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Other cards in this set

Card 2

Front

What does mass number mean?

Back

The total number of protons and neutrons in an atom

Card 3

Front

What does atomic number mean?

Back

Preview of the front of card 3

Card 4

Front

What does isotope mean?

Back

Preview of the front of card 4

Card 5

Front

What does relative atomic mass mean?

Back

Preview of the front of card 5
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