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physic 17

queation and answer

QuestionAnswer
what is the number of atoms in a typical breath equal to? the breaths of air in the world
what is an isotope? an atom that has one more or one less neutron in the nucleus
in the shell model of an atom, where are the electrons? in the shells
where did the atoms form in our bodies originally come from? atoms came from stars, and from other matter prior to our existence.
what determines the size of an atom? the number of electron
if you compare atoms to visible light, which is smaller? the atoms
what do molecules make up? some matter
what are molecules composed of? atoms
what is the cause of brownian motion? random movement of atoms and molecules
what makes up an element? the same kind of atoms
what element do we know about? slightly more that 100
what is plasma make up? mixture of ions and electons, electrically charge. it is a phase of matter
what are the phase of matter? plasmas solids liquids, and gases
Created by: 14_aherber