Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Chapter 1: Matter and Measurement | CHEM - Chemistry 1 - Introduction, Quizzes of Chemistry

Class: CHEM - Chemistry 1 - Introduction; Subject: Chemistry; University: Saint Francis University; Term: Forever 1989;

Typology: Quizzes

2012/2013

Uploaded on 12/06/2013

sydneyc33
sydneyc33 🇺🇸

8 documents

1 / 10

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
TERM 1
density
DEFINITION 1
physical property that relates mass to volumemass
(g)volume (mL)
TERM 2
physical change
DEFINITION 2
alter substance without changing composition
TERM 3
chemical change
DEFINITION 3
converts one matter to another through chemical reaction
TERM 4
physical properties
DEFINITION 4
melting point, boiling point, solubility, color
TERM 5
chemical properties
DEFINITION 5
determine how a substance can be converted to another
pf3
pf4
pf5
pf8
pf9
pfa

Partial preview of the text

Download Chapter 1: Matter and Measurement | CHEM - Chemistry 1 - Introduction and more Quizzes Chemistry in PDF only on Docsity!

density

physical property that relates mass to volumemass

(g)volume (mL)

TERM 2

physical change

DEFINITION 2

alter substance without changing composition

TERM 3

chemical change

DEFINITION 3

converts one matter to another through chemical reaction

TERM 4

physical properties

DEFINITION 4

melting point, boiling point, solubility, color

TERM 5

chemical properties

DEFINITION 5

determine how a substance can be converted to another

pure substance

composed of a single component and has constant

composition regardless of size or origin

TERM 7

element

DEFINITION 7

can not be broken into a simpler substance by chemical

reaction

TERM 8

compound

DEFINITION 8

chemically combining two or more elements

TERM 9

mixture

DEFINITION 9

composed of more than one component

composition can vary

can be separated into its components by physical

changes

TERM 10

mega-

DEFINITION 10

million1,000,00010^

nano-

billionth0.000 000 00110^-

TERM 17

one liter

DEFINITION 17

the volume of a 10 cm x 10 cm x 10 cm cube1000 cm^

TERM 18

inexact

number

DEFINITION 18

results from a measurement or an observation

contains some uncertainty

TERM 19

exact

number

DEFINITION 19

something that results from counting or is in a definition

10 fingers

1 foot= 12 inches

TERM 20

when a zero is significant

DEFINITION 20

between 2 non-zero digits 1049

at the end of a number with adecimal point 100.

when a zero is not significant

at the beginning ofa number 0100

at the end of a number that does not have a decimal point

TERM 22

conversion factor

DEFINITION 22

a term that converts a quantity of one unit to a quantity of

another unit

TERM 23

specific gravity

DEFINITION 23

compares the density of a substance with the density of

water at 4 degrees Celsiusdensity of substancedensity of

water

TERM 24

proton

DEFINITION 24

positive charge

TERM 25

neutron

DEFINITION 25

neutral or no charge

number of neutrons

mass number - number of protons

TERM 32

number of electrons

DEFINITION 32

number of protons

TERM 33

atomic weight

DEFINITION 33

weighted average of the mass of the naturally occurring

isotopes of an element (reported in amu)

TERM 34

period

DEFINITION 34

a row horizontal

TERM 35

group

DEFINITION 35

a columnvertical

alkali metals

group 1A

soft and shiny with low melting points

good conductors of heat and electricity

react readily with water to form basic solutions

TERM 37

alkaline earth metals

DEFINITION 37

group 2A

shiny solids

less reactive than alkali metals

TERM 38

valence electrons

DEFINITION 38

an electron in the outermost shell [noble gas configuration]

valence electrons

TERM 39

electron dot symbols

DEFINITION 39

used to show valence electrsons

TERM 40

atomic size

DEFINITION 40

size of atom (nucleus and electrons)

ionization energy _____ across a period of the

periodic table

increases