Atoms are made up of subatomic particles. Which of the following
statements is true about subatomic particles? *
A)Electrons are negatively charged and are the heaviest subatomic particle.
B) Neutrons are completely responsible for the mass of the nucleus and have no charge.
C) The mass of a neutron nearly equals the mass of a proton.
D) Protons are positively charged and the lightest subatomic particle.

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: