4.3 - Halogens Flashcards

1
Q

Trends in halogen elements

A
  • All are diatomic
  • Colours get darker down the group
  • MP/BP increases down the group
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2
Q

Properties of fluorine?

A

Formula - F2
Colour - Very pale yellow
State - gas

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3
Q

Properties of chlorine?

A

Formula - Cl2
Colour - pale green
State - gas

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4
Q

Properties of bromine?

A

Formula - Br2
Colour - brown
State - liquid

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5
Q

Properties of iodine?

A

Formula - I2
Colour - dark grey
State - solid

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6
Q

Properties of black?

A

Formula - At2
Colour - black
State - solid

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7
Q

What happens when halogens react with metals?

A

Ionic compounds are formed

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8
Q
A
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