Question

characterstics of periods and groups

Answer 1

A horizontal row of elements in the periodic table is called a period. There are seven periods in the periodic table. Each period starts with Group 1(alkali metal group), and ends up with Group18(noble elements group)

Answer 2

Characters of Period
Valence electron
Valency
Atomic size
Ionization energy
Metallic characters
Electropositivity
Electronegativity


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