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Group 3-12

  • Also called Transition metals

  • Copper usually doesnt react with ocld and dilute acids. However it will react with hot concentrated acid Iron has no reaction with cold water only steam

  • They are very ductile and malleable as well as conduct heat because they are metals

  • Copper is used for electric generators and motors,Iron is used for manufacturing machine tools

Group 13

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  • Also known as the Boron Group

  • Most of the elements in the boron group show increasing reactivity as the elements get heavier in atomic mass and higher in atomic number

  • It has been noticed that the elements in the boron group have similar physical properties, although most of boron's are exceptional. For example, all of the elements in the boron group, except for boron itself, are soft.

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