Question

Why do elements in a group have similar physical and chemical properties

Answer 1

$\huge{\underline{\underline{\mathfrak{Answer}}}}$

➡️Elements in the same group (in the periodic table) have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level.

➡️Group 1 elements are reactive metals called the alkali metals.

Answer 2

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