For Group VIIA (Group 17) of the periodic table which of the following is true. A. Melting point and boiling point decrease as you go down the group.
B. melting point and boiling point increase as you go down the group.
C. melting point increase and boiling point decrease as you go down the group.
D. melting point decrease and boiling point increase as you go down the group

How many molecules are found in 1.32 mol of nacl?

Plz mark brainliest 30 points1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s.2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Describe the properties of sodium, chlorine, and sodium chloride