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