An atom can be called a particle, but a molecule is never called a particle. True or False ?

Which statement is best described as a atom

What is the formula of the ionic compound composed of calcium cations and chloride anions

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.