C4- Atoms

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  • Created by: BeccaJ15
  • Created on: 26-05-16 14:01
The Nucleus
It is in the middle of the atom and contains protons and neutrons. It has a positive charge because of the protons.
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The Electrons
These are located around the nucleus. They are negatively charged and have NO mass
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Protons
They are located around the outer shells. They are positively charged and have a relative mass of +1
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Lithium
It is in Group 1 of the Periodic Table. Produces a red flame when heated
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Sodium
It is in Group 1 of the Periodic Table. Produces a yellow/orange flame.
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Potassium
Is in Group 1 of the Periodic Table. Produces a lilac flame.
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Line Spectrum
When heated, the electrons in an atom release energy as light. The wavelengths emitted can be recorded as a line spectrum.
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Line Spectrum
Different elements emit different wavelengths of light. This is due to eachy element havng a different electron arrangement.
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Which element were discovered by their line spectrum?
Caesium and Rubium
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Line Spectrum
It can be used to identify elements. The technique used to produce line spectrum is called spectroscopy.
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Other cards in this set

Card 2

Front

These are located around the nucleus. They are negatively charged and have NO mass

Back

The Electrons

Card 3

Front

They are located around the outer shells. They are positively charged and have a relative mass of +1

Back

Preview of the back of card 3

Card 4

Front

It is in Group 1 of the Periodic Table. Produces a red flame when heated

Back

Preview of the back of card 4

Card 5

Front

It is in Group 1 of the Periodic Table. Produces a yellow/orange flame.

Back

Preview of the back of card 5
View more cards

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