carbon and oxygen can react to form carbon monoxide or
2.66gofO + l.OgofC > 3.66gofC02
1.33gofO +1.0gofC 9 2.33gofCO
Note that the ratio of the masses of O in the two compounds is 2:1
(2.66:1.33), illustrating that the ratio of
Chapter 1 Matter and Change
Section 11 Chemistry is a Physical Science
The natural sciences are divided into two categories:
1. a??? a (7574;
matter and the changes it undergoes.
Chemistry deals with the f
ATOMS: THE BUILDING BLOCKS
Early philosophers studied the fundamental nature of matter
_ «if? t , . ~ e
and wondered if it was and W3 ilhm?
" » , 51
or was it .
Scientific Notation/Significant Figures ||
1. Convert each of the following into scientic notation.
.m an; ~
, [l : I]:
200.0 x 102 333 if
2&01w00999999909999990000129299.: 1 I
use? 31g. fig.
a, * , section 34.2. The structure of the Atom , 2'
Z : v.111-the_late. 1800s, .it became clear to. scientists that atoms were} 7 - I
'lactually'edmpOSed of: 3 ' 1 and that the .
of these particles within an
' WWW? .' and the: v
Classication of Matter (see separate chart)
x_ ,3 g1 a 1 ' I! " :1
1. Pure Substances _ 4? I g
Hymgggfwi 6* t . A
£53 ' f7
Divided into 2 categories: '
Elements Compounds The Periodic Table Noble
gases 1; A