1: Chemistry, Matter, and Measurement
Ch. 1

Physical and Chemical Properties (物理和化学性质)
size, shape, color, mass
structure 结构, composition 成分构成
flammability n. 可燃性,易燃性
burn 燃烧 combustion 燃烧
the chemical composition of a material 物质的化学成分

The Classification of Matter (物质的分类)
Matter物质: Mixtures混合物, Pure substance纯净物
Mixture: Heterogeneous, Homogeneous
Pure substance: Elements元素,Compounds化合物

solid to liquid -- melting, fusion -- 融化/熔化
solid to gas -- sublimation -- 升华
liquid to gas -- boiling, evaporation -- 汽化
liquid to solid -- solidification, freezing -- 凝固
gas to liquid -- condensation -- 液化
gas to solid -- deposition -- 凝华

atom 原子 molecule 分子
quantity: number + unit
Scientific Notation 科学计数法
Significant Figures 有效数字
Distinguish between accuracy and precision
decimal places 小数点位
Converting Units 转换单位
Dosage Calculations 剂量计算
The International System of Units 国际单位制 (SI Units)
Property--Unit--Abbreviation
length--meter--m
mass--kilogram--kg
time--second--s
amount--mole--mol
temperature--kelvin--K
electrical current--amper--amp
luminous intensity--candela--cd
prefixes 前缀
Prefix--Abbreviation--Multiplicative Factor
giga- G-- 1,000,000,000 ×
mega- M-- 1,000,000 ×
kilo- k-- 1,000 ×
deca- D-- 10 ×
deci- d-- 1/10 ×
centi- c-- 1/100 ×
milli- m-- 1/1,000 ×
micro- µ-- 1/1,000,000 ×
nano- n-- 1/1,000,000,000 ×

粉色字是不确信的单词(确信