The Halogens ANORGANIK

8/18/2019 The Halogens ANORGANIK

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© Boardworks Ltd 20071 of 37

Photo credit: Dr John Mileham

Liquid bromine in a jar on the left iodine on the ri!ht"


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Boardworks GCSE Additional Science: Chemistry

The Halogens

Spring 200

Photo credit: Dr John Mileham


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The Halogens

Spring 200

Teacher notes

#his true$or$false a%ti&it' %ould be used as a (lenar' or re&ision e)er%ise on

halo!ens or at the start of the lesson to !au!e students* e)istin! knowled!eof the subje%t matter" +oloured traffi% li!ht %ards ,red - false 'ellow - don*t

know reen - true %ould be used to make this a whole$%lass e)er%ise"


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© Boardworks Ltd 2007/ of 37


The Halogens

Spring 200

Photo credit !le"t and right#: Dr John Mileham


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The Halogens

Spring 200

Teacher notes

#his &irtual e)(eriment %om(ares the rea%ti&it' of the halo!ens with iron wool"

t %ould be used as a (re%ursor to runnin! the (ra%ti%al in the lab or as a

re&ision e)er%ise" hen usin! this a%ti&it' it should be made %lear that withiodine the rea%tion takes se&eral minutes of stron! heatin! before it rea%ts"

#his is illustrated b' the sto( wat%h but is not run in real time"


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The Halogens

Spring 200

Teacher notes

#his mat%hin! a%ti&it' %ould be used as a (lenar' or re&ision e)er%ise on

halo!ens and their rea%tion with iron wool" 8tudents %ould be asked to%om(lete the questions in their books and the a%ti&it' %ould be %on%luded b'

the %om letion on the B"


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The Halogens

Spring 200

Teacher notes

statine is a rare radioa%ti&e element that has a half$life of onl' 6 hours"


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The Halogens

Spring 200

Teacher notes

#his &irtual e)(eriment illustrates how a more rea%ti&e halo!en will dis(la%e a

less rea%ti&e halo!en" t %ould be used as a (re%ursor to runnin! the (ra%ti%al

in the lab or as a re&ision e)er%ise"


9/13© Boardworks Ltd 20079 of 37


The Halogens

Spring 200

Teacher notes

#his dra! and dro( a%ti&it' (ro&ides the o((ortunit' for informal assessment ofstudents* understandin! of halo!ens and dis(la%ement"




The Halogens

Spring 200

Teacher notes

#his %om(letin! senten%es a%ti&it' %ould be used as a (lenar' or re&ision

e)er%ise on the rea%tions of halo!ens" 8tudents %ould be asked to write downthe missin! words in their books and the a%ti&it' %ould be %on%luded b' the

%om letion on the B"




The Halogens

Spring 200

Teacher notes

#his illustration %ontains se&eral dis%ussion (oints relatin! to the uses of

halo!ens in%ludin!:

;$on%stick "rying pan




The Halogens

Spring 200

Teacher notes

#his mat%hin! a%ti&it' %ould be used as a (lenar' or re&ision e)er%ise on

halo!ens and their uses" 8tudents %ould be asked to %om(lete the questionsin their books and the a%ti&it' %ould be %on%luded b' the %om(letion on the

B"


13/13© B d k Ltd 200713 f 37


The Halogens

Spring 200

Teacher notes

#his multi(le$%hoi%e qui> %ould be used as a (lenar' a%ti&it' to assess

students* understandin! of halo!ens" #he questions %an be ski((ed throu!h

without answerin! b' %li%kin! ?ne)t@" 8tudents %ould be asked to %om(lete the

questions in their books and the a%ti&it' %ould be %on%luded b' the %om(letion

The Halogens ANORGANIK

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