13 terms

rayburn - pages 18-23 test review

STUDY
PLAY
why are elements called the building blocks of matter
because all matter is composed of elements. each elements is made up of tiny particles called atoms
list some examples of physical changes
chopping wood, bending copper wire into new shapes and changes in state
list some examples of chemical changes
rusting of iron and the burning of gasoline in a car engine
what is the symbol for Hydrogen
H
what is the symbol for Sodium
Na
what is the symbol for Carbon
C
what is the symbol for Nitrogen
N
what is the symbol for Oxygen
O
what is the symbol for Helium
He
what is the symbol for Iodine
I
what is the symbol for Magnesium
Mg
what is the symbol for Potassium
K
what is the symbol for Iron
Fe