find the atomic no of element belonging to 5th period and 5th group.
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Answer:
They have fuller outer energy levels so they do not usually form molecules with other atoms. They have low melting and boiling points as they are easily separated by overcoming the weak forces of attraction between the atoms.
Explanation:
Period 5 element
Hydrogen
Lithium Beryllium Nitrogen
Sodium Magnesium Phosphorus
Potassium Calcium Arsenic
Rubidium Strontium Antimony
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