The periodic table (5.1.2.1) | AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Foundation | KnowledgeSet

The periodic table

Chemistry (Combined Science) · GCSE · AQA · AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Foundation · Specification point · 5.1.2.1 · Atomic structure and the periodic table · The periodic table

Periodic table organisation

Predicting properties from periodic table position

Periodic table periods and electron shells

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5.1.2.1 The periodic table

Content	Key opportunities for skills development
$The elements in the periodic table are arranged in order of atomic (proton) number and so that elements with similar properties are in columns, known as groups. The table is called a periodic table because similar properties occur at regular intervals. Elements in the same group in the periodic table have the same number of electrons in their outer shell (outer electrons) and this gives them similar chemical properties.$
$Students should be able to: explain how the position of an element in the periodic table is related to the arrangement of electrons in its atoms and hence to its atomic number predict possible reactions and probable reactivity of elements from their positions in the periodic table.$	$WS 1.2$

Content

Key opportunities for skills development

The elements in the periodic table are arranged in order of atomic (proton) number and so that elements with similar properties are in columns, known as groups. The table is called a periodic table because similar properties occur at regular intervals. Elements in the same group in the periodic table have the same number of electrons in their outer shell (outer electrons) and this gives them similar chemical properties.

Students should be able to: explain how the position of an element in the periodic table is related to the arrangement of electrons in its atoms and hence to its atomic number predict possible reactions and probable reactivity of elements from their positions in the periodic table.

WS 1.2