D -a substance made of more than one type of atom
What I’m seeing on quizlet says what you’re describing is a ball-and-stick model.
Answer:
A reaction rate is a measure of how fast a reactant disappears or a product forms during a reaction.
Explanation:
It is usually defined as the change in concentration per unit time:
Δ(concentration)/Δt
The units are (moles per litre) per second.
In symbols, the units are mol/(L·s) or mol·L^-1 s^-1.
The answer is False. the amplitude shows how high or low something is
