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25 terms

Science

science..
STUDY
PLAY
charactaristic matter allows to change to something new
chemical property
evaperation in swamp cooler
phys change
chemical change
panting a house
shape of an apple
physical property
log burns in a fire
new substance forms
two or more substances combine so each substance can by seperated by physcial means
mixture
two or more elements combine to form a
compound
cleaning tarnished silver
chemical change
energy levels of an atom occupied by...
electrons
neutral partivles formed when atoms share electrons..
molecule
group number for elements with stable electrons
18
represents a molecule
NACI
chemical bond occurs when atoms share electrons
covalent
needed electrons to be stable
8
orange juice .. fresh oranges
physical change
plant makes food
chemical change
wind and water erosion
physical change
wall blue
physical property
ability to be crushed
chemical property
burning paper
chemical change
boiling water
physical change
bursting electrons, crumpling paper
physical change
magnesium bromide
MgBr2
dot diagrams represent the ...
outer electrons
clacuim has
2 dots in the diagram