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PREPARE 4 FINALS

KIS 7E(MCLEAN) SCIENCE STUDENTS'

QuestionAnswer
matter anything that takes up space
volume amount of space taken up(L,mL,m^3, cm^3)
meniscus curve @ de surface of a liquid
mass amount of matter in an object(kg,mg,g)
weight gravitational force exerted on an object(N=newtons)
Inertia tendency of an object to resist a change in motion
the nucleus of an atom consists of protons and neutrons. Is it an isotope, what changes? yes, the # of neutrons bc some atoms in nature can have different numbers of neutrons
The atomic mass of an element represents the? average mass of the protons and neutrons
the # of protons in a neutral atom = to de # of? the # of electrons
the formula to get de volume is... length*width*height
thermal conductivity the ability for a substance to heat
what are the three states of matter? solid, liquid, gas
solids has a definite shape or volume doesn’t change the shape by any container attraction between particles are stronger than liquid and gas each particles vibrates in place each particles are locked in place by the particles around it
liquids definate volume no shape
crystalline solid where there is a repeating pattern
amorphous solid where there isn't a repeating pattern
viscosity liquid's thickness
chemical properties ability to change into another matter with different properties
flammability chemical property to burn
reactivity chemical property to react with another substance
composition what an object is made out of
characteristic properties always the same no matter w@ the size is
chemical change when 1/more substances r changed
physical properties can be measured without changing identity
Thermal Conductivity rate which a substance transfers heat
state solid liquid or gas
solubility ability to dissolve
ductility able to make into wire
malleability rolled into sheets
density mass per unit volume
D= m/v
Created by: MCLEAN7E
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