CEM 141 EXAM 1 EXAM WITH CORRECT QUESTIONS AND ANSWERS 2025

CEM 141 EXAM 1 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025

A) Why are atoms in constant motion? - CORRECT-ANSWERSThermal Energy


B) Atoms are the _________ part of a molecule. - CORRECT-ANSWERSSmallest


C) An element is made of _________ type of atom. - CORRECT-ANSWERSOne specific


D) A compound is made of __________ atoms chemically combined - CORRECT-ANSWERS2


or more


E) Gravitational forces are mediated by fields. (T/F) - CORRECT-ANSWERSTrue. It's


mediated by gravitational field.


F) Gravitational forces require the presence of two or more objects.(T/F) - CORRECT-


ANSWERSTrue


G) Gravitational forces can be associated with a single object.(T/f) - CORRECT-


ANSWERSFalse. Requires two objects.


H) Gravitational forces can be attractive or repulsive.(T/F) - CORRECT-ANSWERSFalse. Only


repulsive

, I) Gravitational forces increase as the distance between the objects increase.(T/F) -


CORRECT-ANSWERSFalse


J) Gravitational forces increase as the mass of the object increases - CORRECT-


ANSWERSTrue


K) Electrostatic forces decrease as the distance between the objects increases - CORRECT-


ANSWERSTrue


L) Electrostatic forces can be attractive or repulsive (T/F) - CORRECT-ANSWERSTrue


M) Electrostatic forces are always attractive. (T/F) - CORRECT-ANSWERSFalse


N) Electrostatic forces require the presence of two or more objects. (T/F) - CORRECT-


ANSWERSTrue


O) Electrostatic forces are mediated by fields. (T/F) - CORRECT-ANSWERSTrue


P) Electrostatic forces increase as the charge of the objects increases. (T/F) - CORRECT-


ANSWERSTrue


Q) As atoms approach each other, PE will... - CORRECT-ANSWERSdecrease


R) As atoms get very close together the PE will... - CORRECT-ANSWERSIncrease


S) As the atoms move closer what's strongest? - CORRECT-ANSWERSElectrostatic


attraction