Year 7
Group 7
Describe the trends in reactivity of Group 7 elements and how they react with different Group 7 elements and elements from other groups.
Year 7
Group 7
Describe the trends in reactivity of Group 7 elements and how they react with different Group 7 elements and elements from other groups.
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Lesson details
Key learning points
- Describe the trends in physical and chemical properties of Group 7 elements
- Write word equations to represent Group 7 element reactions
- Describe the displacement reactions of Group 7 elements
Licence
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6 Questions
Q1.
Match the state change with its description.
changing from solid to liquid
changing from liquid to gas
changing from gas to liquid
changing from liquid to solid
changing from solid to gas
Q2.
The temperature at which a liquid changes to a gas is called the ...
freezing point.
melting point.
sublimation point.
Q3.
Match each Group 7 element to its periodic table symbol.
F
Cl
Br
I
At
Q4.
Which group of the periodic table do these elements belong to: fluorine, chlorine, bromine, and iodine?
Group 1 - alkali metals
Group 2 - alkali earth metals
Group 8 - noble gases
Q5.
In a chemical equation, what do we call the substances that are made?
Q6.
Select the two chemical properties.
colour
density
melting point
6 Questions
Q1.
What is the name given to the Group 7 elements?
alkali earth metals
alkali metals
noble gases
transition metals
Q2.
Match the keyword with its definition.
The tendency of a substance to evaporate.
The process of changing state from solid to gas with no liquid phase.
When a more reactive element pushes a less reactive element out of a compound.
The temperature at which a solid changes to a liquid.
Q3.
Select two physical properties of the halogens.
good conductors
high melting and boiling points
malleable
shiny
Q4.
Starting with the most reactive, sort the halogens into order of reactivity.
Q5.
What is the product from a reaction between potassium and bromine?
Q6.
Which is the only halogen that is able to displace chlorine from sodium chloride?