Elements, Compounds And Mixtures Flashcards

0
Q

What is an atom?

A

The simplest particle of an element that can exist on its own

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1
Q

What is an element?

A

Contain only one type of atom

Cannot be split into anything simpler by chemical methods

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2
Q

What is a molecule?

A

Consist of 2 or more atoms joined together

They may be the same (element) or different (compound)

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3
Q

What is the symbol for hydrogen?

A

H

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4
Q

What is the symbol for carbon?

A

C

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5
Q

What is the symbol for fluorine?

A

F

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6
Q

What is the symbol for iodine?

A

I

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7
Q

What is the symbol for nitrogen?

A

N

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8
Q

What is the symbol for oxygen?

A

O

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9
Q

What is the symbol for phosphorus?

A

P

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10
Q

What is the symbol for sulfur?

A

S

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11
Q

What is the symbol for aluminium?

A

Al

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12
Q

What is the symbol for barium?

A

Ha

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13
Q

What is the symbol for bromine?

A

Br

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14
Q

What is the symbol for helium?

A

He

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15
Q

What is the symbol for lithium?

A

Li

16
Q

What is the symbol for silicon?

A

Si

17
Q

What is the symbol for magnesium?

A

Mg

18
Q

What is the symbol for chlorine?

A

Cl

19
Q

What is the symbol for silver?

A

Ag

20
Q

What is the symbol for gold?

A

Au

21
Q

What is the symbol for iron?

A

Fe

22
Q

What is the symbol for potassium?

A

K

23
Q

What is the symbol for sodium?

A

Na

24
Q

What is the symbol for lead?

A

Pb

25
Q

What are the properties of ALL metals?

A
  • They’re shiny, especially when fresh
  • Good conductors of heat and electricity
  • Malleable
26
Q

What are the properties of some metals?

A
  • Solid at room temperature
  • Hard and strong
  • High density (heavy for its size)
  • Makes a ringing sound when it hits the ground
27
Q

Properties of ALL non-metals?

A
  • Dull
  • Poor conductors of hrs and electricity
  • Weak and brittle
28
Q

What are the properties of some non-metals?

A
  • Have a low density (light for their size)

- No when hits the ground

29
Q

What is a compound?

A

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

30
Q

How do you write simple compounds?

A
  1. Write the metal down

2. Add -ide to the end of the non-metal

31
Q

How do you write compound with 2 elements plus oxygen?

A
  1. Write down the name of the metal

2. Add -ate to the end of the non-metal

32
Q

What is a mixture?

A

2 or more substances mixed together that are easy to separate