Yang Macomb Community College CHEM 1050

pure substance

A substance made of only one kind of matter and having definite properties.

Mixture

A combination of two or more substances that are not chemically combined

Homogenous Mixture

a mixture in which the composition is uniform throughout (One Phase)

Heterogenous Mixture

A mixture with uneven distribution of different substances, solids, liquids, gases. (More than one phase)

What are the three different states of matter

Solid Liquid gas

Solid

definite shape and volume

Liquid

no definite shape, definite volume

gas

No definite shape or volume

density equation

D=m/v

mass equation

M=DV

volume equation

V=M/D

Which tempature has the smallest scale

farenheit

how to calculate ceilcius to kelvin

+273

Celcius to Farenheit

9/5C+32

how many sig figs do you keep in addition and subtraction

how every many digits past decimal

atomic number

the number of protons in the nucleus of an atom, also lists how many electrons

Mass number

the sum of the number of neutrons and protons in an atomic nucleus

isotope

Atoms of the same element that have different numbers of neutrons

s orbital is what shape

circle

p orbital is what shape

dumbbell-infinity sign

elements with similair chemical properties are arranged in what

same group and or column

s block is what

alkali and alkaline earth metals

p block is what groups?

noble gases and

d block are what type of elements

transition metals

How to calculate atomic mass unite

1kg is how many grams

1000g

1g is how many mg?

1000mg

1lb is how many grams?

454

1 liter is how many milliliters?

1000 milliliters

1ml=

1cm^3

1km is how many meters?

1000m

1m is how many cm

100

1cm is how many mm

10mm

1meter is how many millimeters (mm)

1000mm