Post by: dalyningkenk on Feb 15, 2020
Question 1
Which period of elements, indicated by letter on the periodic table, has electrons whose highest principal quantum number n is 5?
◦ A
◦ B
◦ C
◦ D
Question 2
Which group of elements, indicated by letter on the periodic table, has electrons with the ground-state valence-shell electron configuration ns2 np4?
◦ A
◦ B
◦ C
◦ D
Post by: bigsis44 on Feb 15, 2020
Answer 1
BAnswer 2
C