Chapter 1 and 2 Chemistry

Farenheit to Celsius

(F - 32) x 5/9 = C

Kelvin to Fahrenheit

(K - 273.15) * 9/5 + 32

Celsius to Fahrenheit

(C*9/5)+32

Fahrenheit to Kelvin

K = 5/9 (� F - 32) + 273

Density

D-M/V

specific gravity

ratio of a mineral's weight compared with the weight of an equal volume of water

Scientific Figures Rule number 1

Annotation Category

Scientific figures rule 3

All non zero numbers are significant

Scientific figure rule 4

Zeros between two non zero digits are significant

Scientific figure rule 5

Leading zeros are not significant

Scientific Figure rule 6

Trailing zeros to the right of the decimal are significant

Scientific Figure rule 7

Trailing zeros in a whole number with the decimal shown are significant

melting point

the temperature at which a substance changes from a solid to a liquid

freezing point

The temperature at which a liquid changes into a solid

physical property

A characteristic of a pure substance that can be observed without changing it into another substance

chemical property

the ability of a substance to undergo a specific chemical change

intensive property

a physical property that remains the same no matter how much of a substance is present

extensive property

a property that depends on the amount of matter in a sample

Precision

the exactness of a measurement

Accuracy

A description of how close a measurement is to the true value of the quantity measured.

ionization energy

The amount of energy required to remove an electron from an atom

electron affinity

the energy needed to remove an electron from a negative ion to form a neutral atom or molecule

Cation

A positively charged ion

Anion

A negatively charged ion

Mixture

material composed of two or more elements or compounds that are physically mixed together but not chemically combined

pure substance

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties

potential energy

stored energy that results from the position or shape of an object

kinetic energy

energy of motion

electron configuration

the arrangement of electrons in the orbitals of an atom

atomic mass

Number of protons and neutrons