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Chapter two Science

testing info and notes

QuestionAnswer
what is matter? matter has mass and takes up space.includes everything but heat and light.can be sensed and mesured.
what are the four stages of matter? solid, liquid, gas, and plasma.
what is the continuous theory of matter? Matter can be divided again and agian into smaller and smaller bits and can stay the same kind of matter. there would be no space between the bits.
What is the parcial theory of matter? matter cna be divided again and again into smaller and smaller bits until you get to a point where the particals can no longer be divided. there would be space between the bits.
what are the most common particals of matter? atoms.
what were the greeks who believed the partical theory of matter called? atomists.
what is matter constantly doing? moving
what is the process of mixing by partical motoin? diffusion
where are the protons and neutrons found? the middle of the atom, the neuceuleus.
protons- posotive charge
neutrons- no charge
protons and neutrons have- about the same mass
where are electrons? orbiting around the nucleus
electrons have- a negetive charge
what is the smallest in of the three- protons, neutrons, or electrons? electrons
how are molecules formed? when two or more atoms are bonded together.
what is an ion? it is when an atom has a net posotive or negetive charge.
cation- posotive
anion- negetive
what are the two states of matter that flow? gases and liquids, making them fluids
what is faster? hot air or cold? hot air
Created by: kevingurl
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