Chemistry-C8-Flame Test (Cations) and Flame Emission Spectroscopy

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  • Created by: tonisha_
  • Created on: 23-02-23 18:01
Cations are the _______ ion and are _____?
positive ion and are metals
1 of 18
Firstly dip the _____ _____ into ______?
This does what?
Then dip it into the _______ and hold in the ____?
test loop into acid
sterilises it
dip it in the sample and hold in the flame
2 of 18
What colour flame will:
A lithium ion have?
crimson
3 of 18
A sodium ion?
yellow
4 of 18
A potassium ion?
lilac/purple
5 of 18
Calcium ion?
orange-red
6 of 18
Copper ions?
green
7 of 18
A problem with flame tests is that?
the colour may be hard to distinguish
8 of 18
Sometimes a sample may contain?
a mixture of metal ions
9 of 18
Which could mask?
the colour of the flame
10 of 18
FLAME EMISSION SPECTROSCOPY
------------------------------------
Firstly, a sample of the metal ions is placed?
into the flame
11 of 18
The _____ given out is then passed through a ______ called a ______?
light
machine
spectroscope
12 of 18
This converts the light into a ?
light spectrum
13 of 18
The position of the _______ in the spectrum are specific for a given _____ ____?
lines
metal ion
14 of 18
It can also tell us?
the conc of the metal ion
15 of 18
How?
due to the intensity of the lines
16 of 18
This is an example of a what type of method?
instrumental
(machines)
17 of 18
What are three advantages?
rapid
accurate
sensitive
18 of 18

Other cards in this set

Card 2

Front

Firstly dip the _____ _____ into ______?
This does what?
Then dip it into the _______ and hold in the ____?

Back

test loop into acid
sterilises it
dip it in the sample and hold in the flame

Card 3

Front

What colour flame will:
A lithium ion have?

Back

Preview of the front of card 3

Card 4

Front

A sodium ion?

Back

Preview of the front of card 4

Card 5

Front

A potassium ion?

Back

Preview of the front of card 5
View more cards

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