Old KS4 Science Curriculum - Science

6. Explore Group 1 Part 1

Mission Objectives

Describe how Group 1 metals react with oxygen, chlorine and water

Describe how the reactivity of the Group 1 metals changes as we move down the group

Explain the change in reactivity in terms of the outer electron

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Keywords

Words and meanings to learn

oxygen

Known as the symbol O in the periodic table, a substance with only one atom type that is a gas at room temperature.

water

Transparent, colourless liquid which can be found in rivers, lakes and the seas.

alkaline

A solution with a pH higher than 7.0.

potassium

Known as the symbol K in the periodic table, a soft silvery-white metal.

chlorine

Know as the symbol Cl in the periodic table, a corrosive and toxic greenish yellow gas that is the second lightest halogen.

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