An atom contains 16 protons, 18 neutrons and 16 electrons? What is its mass number?
Name the element of which this is an isotope?
What are the isotopes of the element Hydrogen? (chemical term, ex Carbon-14)
Define the term isotope
Name these two isotopes (common terms)
Describe how these isotopes differ.

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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?

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)