Answer:
Ground state
the state with the smallest amount of energy.
The particles slow down and the attractive forces between particles increase.
An isotope is different from an element by the number of neutrons it has.
Filling in the blanks, the full sentence is: Robert Boyle made the biggest impact on science by <span>writing out the scientific method for all of science.
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The scientific method is the standard method of knowledge pursuit.</span><span> It involves careful observations,</span><span> formulating </span>hypotheses<span> (based on observations); preparation of </span>experimental<span> testing, and the measurement and interpretation of results</span>.