What is the position of an element in the periodic table if its electron configuration is 1s2 2s2 2p6 3s2 3p5? it's a group 5a element. it's a group 6a element. it's a group 3a element. it's a group 7a element.

What effect might melting sea ice have for people who live in coastal areas?

Plz mark brainliest 30 points 1) 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?

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17