Which atom or ion is the largest?

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Can someone me with 3 and 4 plz. this is for masteries test.

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point