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Chemistry - Elements, Compounds And Mixtures > Part 1 > Flashcards

Part 1 Flashcards

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1
Q

What is an Atom?

A

An Atom is the simplest particle of an element that can exist on its own.

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2
Q

Name 5 Properties of Metals

A 
Shiny 
Hard
Higher Melting points
Malleable 
Conducts Electricity
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3
Q

Name 5 properties of non-metals

A 
Not Shiny
Brittle 
Lower Melting points
Non-Malleable
Does not conduct Electricity (Graphite is an Exception)
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4
Q

What is a Molecule?

A

A molecule is two or more Atoms Joined together

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5
Q

What is a Compound?

A

A compound is a material that is made up of 2 or more different elements that are chemically joined together

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6
Q

Which elements make up Magnesium Oxide?

A

Magnesium and Oxygen

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7
Q

How do you make Magnesium Oxide?

A

Burn Magnesium in air

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8
Q

What do you Observe when Making Magnesium Oxide?

A

A bright White light

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9
Q

What is the equation for Magnesium Oxide?

A

Magnesium + Oxygen = Magnesium Oxide

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10
Q

Which Elements make Iron sulphide?

A

Iron and Sulfur

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11
Q

How do you make Iron Sulphide?

A

Heat the mixture of Iron and Sulfur

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12
Q

What do you observe when making Iron Sulphide?

A

The Mixture Glows

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13
Q

What does Iron Sulphide look like?

A

Iron Sulphide is a Black Solid

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14
Q

What is the Equation for Iron Sulphide?

A

Iron + Sulfur = Iron Sulphide

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15
Q

What is a Mixture?

A

A Mixture is 2 or more Substances mixed together that are easy to separate

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16
Q

Appearances of Metals

A

Iron - Grey, Shiny, Solid
Sulfur - Yellow, dull powder
Iron Sulfur Mixture - Grey flecks with Yellow Flecks
Iron Sulphide - Dark Grey Solid, Not Shiny

17
Q

Name the first conclusion

A

Different Elements have different Properties. In a mixture, the Elements behave as if they were on their own. A compound is a new material that has its own properties

18
Q

Name the second conclusion

A

You cannot Predict the properties of a compound by looking at the properties of the elements that are used to make it

19
Q

What is an Element?

A

An Element is a material that cannot be split up into anything Simpler. An Element contains only 1 type of Atom

Chemistry - Elements, Compounds And Mixtures (1 decks)

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