What group on the periodic table are the alkali metals?
How does the atomic radius change going down the group?
Which alkali metal has the largest atomic radius?
Which is the least reactive?
which is the least reactive
Which subatomic particle gives the nucleus a positive charge?
What is the force called that holds the outer electron near the nucleus?
What are the group 7 elements called?
What is the most reactive halogen?
which is more reactive
how many electrons are in the outer shell of a halogen?
How do halogens form an ion?
Which is true for the halogens moving up the group?
Which halogen is liquid at room temperature?
which halogen is purple