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Halogens
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1.
HALOGENS
Photo by
blentley
2.
WHAT?
Photo by
Travis Isaacs
3.
The halogens are the elements in group 7 of the periodic table, in their natural form they are toxic .
Photo by
Thomas Hawk
4.
HALOGENS
All halogens have seven electrons in their outer shell
Can accept one electron, making it an ion with a minus 1 charge
Photo by
Matthias Rhomberg
5.
FLOURINE
PALE GREEN GAS
Photo by
jennyw47
6.
Florine is used in everyday lives as toothpastes and nail polish
Photo by
Jose Luis Mieza Photography
7.
CHLORINE
GREENISH YELLOW GAS
Photo by
jennyw47
8.
CHLORINE is used to clear out the germs in swimming pools, but when inhaled, CHLORINE is incredibly dangerous
Photo by
pasotraspaso. Jesus Solana Fine Art Photography
9.
BROMINE
REDDISH BROWN LIQUID
Photo by
jennyw47
10.
BROMINE is also used as water treatment and pesticides
Photo by
jfilip
11.
IODINE
GREY SOLID/ PURPLE VAPOR
Photo by
jennyw47
12.
IODINE is a disinfectant for wounds, often used in hospitals
Photo by
www.lekorbo.be
13.
ASTOTINE
BLACK SOLID
Photo by
jennyw47
14.
Astatine is used in cancer treatments and sometimes used as a radioactive tracer
Photo by
Paul Bratcher Photography
15.
INFO
Photo by
Teo
16.
REACTIONS
Moving down the group, the reactivity of the halogens decreases
The more reactive halogen will always take over the less reactive halogen in a compound
Photo by
Jordi Payà Canals
17.
EXAMPLE
Photo by
Ben Fredericson (xjrlokix)
18.
ADDING CHLORINE WATER TO POTASSIUM CHLORIDE
NO REACTION HAPPENS
Photo by
Møuin.M►
19.
ADDING CHLORINE WATER TO POTASSIUM BROMIDE
CHLORINE WILL TAKE OVER, BECOMING POTASSIUM CHLORIDE, LIBERATING BROMINE
Photo by
Møuin.M►
20.
ADDING BROMINE WATER TO POTASSIUM CHLORIDE
NO DISPLACEMENTS WILL OCCUR SINCE BROMINE IS LESS REACTIVE THAN CHLORINE
Photo by
Møuin.M►
21.
ADDING IODINE TO POTASSIUM CHLORIDE, BROMIDE, IODIDE
WILL DO NOTHING BECAUSE IODINE IS LESS REACTIVE THAN ANY IF THE PROPERTIES
Photo by
Møuin.M►
22.
REACTING TO METALS
TJ Ramasamy
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