CHEM 1000 Quiz 2

Metric unit for volume

liter

Metric unit for length

meter

Metric unit for mass

gram

Milli

1/1,000

Centi

1/100

Kilo

1,000

micro (u)

1/10^6

Nano

1/10^9

Deci

1/10

1 mile in feet?

5,280

1 pound in grams?

454

1 gallon in quarts?

4

1 inch in cm

2.54

k

kilo

deci

d

centi

c

Milli

m

Nano

n

Pico 

p

micro

u

Elements that exist as diatomic molecules under normal conditions

H2,N2,O2,F2,Cl2,Br2, I2

Molecular formula

number and types of atoms in a molecule

Atom

The smallest part of an element that has the properties of that element and can enter into chemical combination

Molecule

A neutral structure consiting of two or more atoms joined by strong forces called chemical bonds

Element

A pure substance that cannot be broken down into simpler substances by physical or chemicals means

Compound

A pure substance that is composed of two or more elements that can be broken down into elements by chemical changes. The elements are combined in a fixed mass ratio

Mixture

Matter that can be seperated into its components by physical means. The substances that make up a mixture do not have to be in a specific mass ratio.

Macro

elements or compound

Micro

atom or molecule