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GCSE Chem > Elements, Compounds and Mixtures > Flashcards

Elements, Compounds and Mixtures Flashcards

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1
Q

What is the most common element in the air?

A

Nitrogen, 78%

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2
Q

What do atoms in gasses often go round in?

A

Pairs

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3
Q

Compound

A

A substance that is made of two or more different elements which are chemically joined together

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4
Q

Compounds are…

A

Chemically bonded

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5
Q

Mixtures are…

A

Easily separated

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6
Q

Elements consist of…

A

One type of atom only

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7
Q

Filtration

A

Used to separate an insoluble solid from a liquid

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8
Q

How to filter something

A
  • Filter paper folded into a cone shape
  • Solid is left in the filter paper
  • Rest goes into the beaker
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9
Q

Crystallisation

A

Used to separate a soluble solid from a solution

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GCSE Chem (13 decks)

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