Question 1
Metallic character for the main group elements generally
◦ increases from left to right across a period and decreases down a group.
◦ decreases from left to right across a period and increases down a group.
◦ decreases from left to right across a period and decreases down a group.
◦ increases from left to right across a period and increases down a group.
Question 2
Among the main-group elements the number of semimetals is
◦ five.
◦ eight.
◦ seven.
◦ six.