1 Which of the following is a true statement
about atomic nuclel?
A They are made up of protons, neutrons, and electrons
B They have
net positive charge
C Every atomic nucleus has the same number of particles
D
The atomic nucleus has no relation to an atom's mass

Rays from the sun are not considered matter true or false

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .