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Chemistry Revision > Unit 1 > Flashcards

Unit 1 Flashcards

1
Q

Name two liquids on the periodic table:⏳️

A

Mercury and bromine 👍

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2
Q

What are the results of these tests?
Oxygen:
Hydrogen:

A

Oxygen: relight a blown-out splint
Hydrogen: burns with a squeaky pop👍

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3
Q

What is the definition of elements?

A

Contains only one type of atom ⚛️

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4
Q

What is the definition of compound?

A

Contains two or more elements chemically combined 🤔

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5
Q

What is the definition of atom?⚛️

A

The smallest part of an element ✨️

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6
Q

What is the definition of molecule? 🤔

A

Two or more atoms ⚛️ chemically combined

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7
Q

What is the definition of mixture?

A

Two or more substances that can be separated 🤔

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8
Q

Give 2 examples of metallic elements:

A

Copper and iron

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9
Q

Name two examples of a compound:

A

Copper sulphate and pure water

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10
Q

Name 2 mixtures:

A

Air and brine

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11
Q

What are the properties of the iron sulphide mixture?

A

Only iron can be attracted and iron sinks and sulphur floats

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Chemistry Revision (3 decks)

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