Describe and explain the periodic trends of the period 3 elements Na - Ar
Properties of the elements of period 3 (Na - Ar) to illustrate the periodic trends
What is periodicity?
Periodicity is the repeating pattern in which the elements are arranged in the periodic table, these are some of the trends shown from looking at the periodicity of the elements.
An atom doesn't have a fixed radius. The radius of an atom can only be found by measuring the distance between the nuclei of two touching atoms, and then halving that distance. Atomic radius is measured in nm.
The graph shows that atomic radius decreases across a period (from left to…
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