The Periodic Table

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Which metal is a liquid?
Mercury
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How many elements are found in the Human Body?
24
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How is the Periodic Table divided?
Metals and Non-metals.
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Which elements are magnetic?
Iron, Nickel and Cobalt.
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What are some properties of Metals?
Good conductors, flexible, shiny, strong, solid, high metling points and boiling points.
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What are some properties of Non-Metals?
Dull, Brittle, Good Insulators, Low melting point, Low boiling point and Weak.
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What is an Atomic Number?
Same as the number of Protons.
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Where can you find the atomic number?
It is the bottom number of the chemicl symbol.
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What is an Mass Number?
Sum of Protons and Neutrons?
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Where can you find the Mass number?
It is the top number of the chemicl symbol.
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Why is the number of electrons equal to the number of protons in a Nucleus?
Because electrons are negative and protons are positive which means NO OVERALL ELECTRICAL CHARGE.
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How do you work out the number of Neutrons?
Mass number- Atomic Number.
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What is Group 7 known as?
The Halogens.
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Why is Group 7 special?
Because they all have 7 electrons in the outershell.
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Why is Group 7 reactive?
Due to them having 7 electrons in their outershell they are trying to gain an electron this makes them reactive.
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What happens in Group 7 as you go down the group?
Higher melting point and boiling point, higher relative molecular mass, biggers atoms as always an extra shell, less reactiv as outershell is further away from the nucleus so less attracted.
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What happens when Group 7 react with metals?
Form ionic compounds which are white solids that dissolve in water forming colourless soloutions.
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What happens when Group 7 react with non-metals?
Form molecular compounds.
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What is Group 0 known as?
Noble Gases,
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Why is Group 0 special?
Because they have a full outershell meaning they DO NOT REACT.
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What happens in Group 0 as you go down they group?
The boiling point increases.
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What is Group 1 known as?
Alklaine Metals.
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Why is Group 1 special?
Because they have 1 metal in their outershell.
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Why is Group 1 reactive?
Due to them having 1 electron in their outershell they are trying to lose the electron this makes them reactive.
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Why are they known as the Alkaline Metals?
Because they form hydroxides which dissolve in water to give alkaline soloutions.
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As you go down the group what do Group 1 have?
Softer cut, Low melting point and boling point, Bigger atoms as always and extra shell, More reactive as further away from nucleus so easier to lose the electron, higher denisty because atoms have more mass.
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What happens when Alkaline Metals react with non-metals?
Form ionic compounds.
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Card 2

Front

How many elements are found in the Human Body?

Back

24

Card 3

Front

How is the Periodic Table divided?

Back

Preview of the front of card 3

Card 4

Front

Which elements are magnetic?

Back

Preview of the front of card 4

Card 5

Front

What are some properties of Metals?

Back

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