GROUPS Flashcards

1
Q

What are the key characteristics of group 1 metals?

A
  • Soft
  • Low melting point
  • 1 electron on the outer shell
  • very reactive
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2
Q

Result of potassium + Water ?

A
  • Melting
  • Lilac flame
  • effervescence
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3
Q

Result of Sodium + water ?

A
  • Melting

- effervescence

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4
Q

Result of Calcium + water?

A
  • Metal runs along the water

- effervescence

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5
Q

What is the appearance of CHLORINE at room temperature?

A
  • Green gas
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6
Q

What is the appearance of BROMINE at room temperature?

A
  • Brown liquid
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7
Q

What is the appearance of IODINE at room temperature?

A
  • Grey solid
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8
Q

What is the test for chlorine?

A
  • Damp blue litmus paper turns white in the presence of chlorine.
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9
Q

In displacement reactions what Halide will produce the colour change?

A

The Halide that has been displaced will produce the colour change?

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10
Q

Colour of chlorine solution?

A

Colourless

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11
Q

Colour of bromine solution?

A

Orange

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12
Q

Colour of iodine solution?

A

Brown

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13
Q

Why does the boiling point increase going down the group?

A

The intermolecular forces get stronger and need more energy to break apart.

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