Question

Atomicity of neon, phosphorus, ozone, chlorine

Answer 1

a) Oxygen - 2

b) Ozone - 3

c) Neon - 1

d) Sulphur - 8

e) Phosphorous - 4

f) Sodium - 1


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Answer 2

A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements. The periodic table is laid out in rows to illustrate recurring (periodic) trends in the chemical behaviour of the elements as their atomic number increases: a new row is begun when the periodic table skips a row and a chemical behaviour begins to repeat, meaning that elements with similar behavior fall into the same vertical columns.