English National Curriculum - Science Science

8. Explore Group 7 (The Halogens) Part 1

Mission Objectives

Understand the elements in Group 7 which are also called the halogens

Describe how Group 7 elements consist of molecules with two atoms

Describe how the melting and boiling point of the Group 7 elements changes down the group

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group 7

Elements within the periodic table which are the halogens.

fluorine

Known as the symbol F in the periodic table, a yellow gas which is pale and poisonous.

covalent

A type of bond where a pair of electrons are shared between two atoms.

bromine

Known as the symbol Br in the periodic table, a red-brown liquid which is the third-lightest halogen.

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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