Question

how does following change on moving from top to bottom in a group of the modern periodic table? 1.valency , 2.atomic size , 3. metallic properties​

Answer 1

Answer:

valancy-- remains same

atomic size- increases

metallic properties- increases

Explanation:

Answer 2

Answer:

Valency is same in top to bottom in a group.

atomic size increase in top to bottom in a group.

Metallic properties increase in top to bottom in a group.

Explanation:

please mark as brainliest answer.