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WorksheetsHalogens-Structer and chemical properties
Total questions: 10
Worksheet time: 2mins
What is the mean of the "halogens"?
acid former
salt former
non metal former
akali former
Where are the"Halogens" located in periodic table?
IA group
VII A group
VIII A group
IB group
Which of these elements are Halogens?
F, Cl, Br, I, At, Uus
F, Cl, Br, I,St
Cl, Br, I,St, At
Br, I, At, Uus, St
Which halogen can react with hydrogen in dark?
Flourine
Chlorine
Bromine
Iodine
Which sentence is wrong when talking about the trends down Halogens group?
Decrease in activity.
Increase in melting point and boiling point.
Increase in electron negativity.
Increase in atomic radius.
All halogens are toxic.
True
False
Which halogen can not react with water?
Flourine
Chlorine
Bromine
Iodine
Having 2 test tubes, each one contains 2ml salt solution X.
Add some drops of AgNO3 into test tube 1, colecting yellow prepicitation.
Add some drops of Br2 into test tube 2, then add starch, collecting blue dark solution.
What is X?
NaI
KCl
KBr
NaF
2 test tube contain 2ml soluton Y.
Test tube 1: Drop AgNO3 -> Having yellow prepicitaton.
Test tube 2: Drop Cl2 solution and Benzen then sake it -> Solution from colorless changes into orange.
What is Y?
NaI
NaCl
NaBr
NaF
What is the typical chemical properties of halogens?
Strong acidity.
Strong oxdizing agent.
Strong base.
Strong reducing agent
