Choose all the answers that apply. calcium (ca) has two electrons in its outermost shell. calcium: is a metal is a nonmetal fills its shell by giving up two electrons fills its shell by gaining six electrons becomes a negatively charged ion becomes a positively charged ion

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?

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

In one or two grammatically correct sentences, write a definition for the term molecule geometry