Michigan State University CEM 141 Chem
exam pt 2 Questions and Answers 2026
Latest Update
In a scientific explanation... Ans: your reasoning links your evidence to your
claim
Matter is made of... Ans: Atoms that are mostly empty space
Atoms are the Ans: smallest particle of an element & the building blocks of
matter
Theories change over time Ans: according to the evidence available
Atoms/molecules attract each other because of the... Ans: attractive
electrical forces between them
Attractions _______ the potential energy Ans: DECREASE
Repulsions _______ the potential energy Ans: INCREASE
Stable systems form when the attractive forces and the repulsive forces are
Ans: Equal
The temperature of a phase depends on the Ans: strength of the
intermolecular forces (the stronger the force, the higher the temp that is
required to break that force
Energy and matter are Ans: versions of the same thing
Matter can be a Ans: particle or a wave
How can scientific questions be answered? Ans: -Doing experiments
-Making observations
-Taking measurements
-Must be done in a replicable way
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