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Progression in Multiplication

Progression in Multiplication. Areas addressed. Multiple Representations Representing multiplication in Key Stage 1 The commutative law for multiplication Grid multiplication as an interim step Moving from grid to a column method.

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582 views • 17 slides

Iron

Iron. Person who discovered the element : unknown When it was discovered : before ancient times . Structure and Location. 26. 26. 26. 30. 4. 8. Iron. The electron arrangement/configuration in the atom: [ Ar ] 3d 6 4s 2 The density of the element: 7.87 g/cm3

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308 views • 10 slides

Bromine

Bromine. Casey Carr. Discoverers . Carl Jacob Löwig discovered bromine as a brown gas after mineral salts were treated with chlorine in 1825. Antoine Jerome Balard discovered bromine in it’s chemical form after isolating it from chlorine in 1826. . Periodic Table Facts.

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959 views • 8 slides

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