Characteristics of Elements In A Group

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10 Terms

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Similarities - Halogens

Non-metals

Noticeable colour

Reactive

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Differences - Halogens

Different colours

Melting points are different

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Similarities - Alkali Metals

Silver-grey in colour

Can bend

Conducts electricity

React easily with water and air

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Differences - Alkali Metals

Densities are different

Specific melting points

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Similarities - Noble Gases

Glow bright colours if there is an electric current passing through

Barely react unless in specific situations

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Differences - Noble Gases

Balloons filled with neon or helium float

Balloons filled with Argon sink

Density is different

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Similarities - Alkaline Earth Metals

Silvery-white in colour

Metals

Have 2 valence electrons

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Differences - Alkaline Earth Metals

Melting points are different

Reactivity is different

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Non-metal properties

Brittle

Can’t conduct electricity

Solid, liquid or gas

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Metal properties

Shiny

Conductor of electricity

Malleable

Solid at room temperature