What substance is made of components that are not chemically bonded we call that?

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

Phase changes are chemical changes. true or false

Name three different units of energy used to measure heat and describe what type of situations each is usually used.