identifying valence number from the periodic table\ncomplete the passage.\nk (potassium) belongs to group ia…

identifying valence number from the periodic table\ncomplete the passage.\nk (potassium) belongs to group ia of the periodic table, and has 1 valence electron. br (bromine) belongs to viia, and has valence electrons.

identifying valence number from the periodic table\ncomplete the passage.\nk (potassium) belongs to group ia of the periodic table, and has 1 valence electron. br (bromine) belongs to viia, and has valence electrons.

Answer

Explanation:

Step1: Recall valence - electron rule

Elements in group VIIA have 7 valence electrons.

Answer:

7