The Periodic Table & Elements

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What is the Periodic Table?
The Periodic Table is where the most dangerous and the most weakest Elements are arranged.
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Periods
Its the horizontal row of the Periodic Table.
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Groups
Its the vertical columns of the Periodic Table.
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Whats the zig zag line in the periodic table?
The zig zag line seperates the the metals, on the left, from non-metals, on the right.
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Difference between non- metals and metals!
Metals are shiny, good conductors of heat and electricity, they can shape without breaking, solid at room temperature, hard and strong, they have a high density, they are sonorous.
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Difference between non-metals and metals!
Non-metals are dull, poor conductors of heat and electricity, weak and brittle, they have a low density, they are not sonorous.
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What is an Element?
An element is a substance that cannot be broken down into any other substance. Every element is made up of its own type of atom.
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Whats a chemical reaction?
Chemical reactions can also be used to transfer energy by burning fuels, it creates new substances.
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Why do we need chemical reactions?
We use chemical reactions to make useful products, including meals, medicines and makeup. Some chemical reactions are used for the energy they produce.
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Whats a combustion reaction?
In a combustion reaction a substance reacts with oxygen from the air and transfers energy to the surroundings as light and heat.
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Other cards in this set

Card 2

Front

Periods

Back

Its the horizontal row of the Periodic Table.

Card 3

Front

Groups

Back

Preview of the front of card 3

Card 4

Front

Whats the zig zag line in the periodic table?

Back

Preview of the front of card 4

Card 5

Front

Difference between non- metals and metals!

Back

Preview of the front of card 5
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