Author Question: Nonmetals produce negatively charged ions, which are referred to as a) lone pairs. b) cations. ... (Read 108 times)

saliriagwu · **on:** Jul 28, 2018

Nonmetals produce negatively charged ions,
which are referred to as
a) lone pairs.
b) cations.
c) polar ions.
d) anions.

Question 2

A 5.0-g particle moving 60 m/s collides with a 2.0-g particle initially at rest. After the collision each of the particles has a velocity that is directed 30 from the original direction of motion of the 5.0-g particle. What is the speed of the 2.0-g particle after the collision?
a. 72 m/s
b. 87 m/s
c. 79 m/s
d. 94 m/s
e. 67 m/s