Compounds that are made of molecules
a. never exist as liquids.
b. never exist as solids.
c. never exist as gases.
d. tend not to have high melting points.

mg3n2 is known as magnesium nitride

explanation:

i don't think ke is an compound

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)