Periodic Table - created from Mind Map

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GROUP 1 METALS react vigorously with water to make alkaline solutions, which are the hydroxide of the metal.

GROUP 7 ELEMENTS are called the halogens. They have seven electrons in their outer shell.

The periodic table lists all elements in order of their ATOMIC NUMBER. The elements of group 1 have one electron in their outer shell

The periodic table lists elements in groups. The elements have similar properties. The group than an element belongs to can be deducted from its electron pattern

Periodic Table