• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/103

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

103 Cards in this Set

  • Front
  • Back
capacity to do work or to produce heat
energy
neither created nor destroyed
conservation of matter
does not alter identity
physical change
separate a solid fromC a liquid
filtration
CaCo3
compound
4.184 joules
calorie
2 or more elements chemically combined
compound
measure heat
calorimeter
solid, liquid, gas, plasma
states of matter
rock
heterogeneous
air
homogeneous
minus 273 degrees Celsius
absolute zero
Crushing a can is an example of a ______ change.
physical
the amount of mass in an object
matter
Water boils at ____ on the Celsius thermometer scale.
100
When ice melts to liquid water, it is an example of a ______ change.
physical
A spectrum that contains only certain colors or wavelengths is called a
line
3.0*10 to the 8 is the
speed of light
describes how fast the wave oscillates
frequency
Bohr labeled each energy level and each orbit by a
quantum number
lowest energy level
ground state
the distance the wave travels as it completes one full cycle of upward and downward motion
wavelength
height of the wave
amplitude
f sublevel can hold __ electrons
14
When an electron absorbs the appropriate amount of energy, it jumps to a level of higher energy called _______ state
excited
principle that states that the position and momentum of a moving object cannot simultaneously be measured and known exactly
Heisenberg uncertainty
Each principal energy level is divided into one of more
sublevels
The P orbital's are shaped like a
dumb bell
principle states that each orbital in an atom can hold at most 2 electrons and these electrons must have opposite spins
Pauli Exclusion
The d orbitals are shaped like
a cloverleaf
the number of protons and neutrons in an atom is called
atomic number
a negative charge will
repel another negative charge
the nucleus of an atom contains
neutrons and protons
An isotope of an element has different number of ______ in the nucleus
neutrons
smallest particle of an element
atom
an atom or group of atom that has a net electrical charge
ion
nuclear reactions change the composition of an atoms
nucleus
A hydrogen atom has a charge of
0
Who conclude that their theory of matter was based on 4 postulates?
Dalton
H
Hydrogen
He
Helium
Li
Lithuim
Be
Beryllium
B
Boron
C
Carbon
N
Nitrogen
O
Oxygen
F
Fluorine
Ne
Neon
Na
Sodium
Mg
Magnesium
Al
Aluminum
Si
Silicon
P
Phosphorus
S
Sulfur
Cl
Chlorine
Ar
Argon
K
Potassium
Ca
Calcium
Sc
Scandium
Ti
Titanium
V
Vanadium
Cr
Chromium
Mn
Manganese
Fe
Iron
Co
Cobalt
Ni
Nickel
Cu
Copper
Zn
Zinc
Ga
Gallium
Ge
Germanium
As
Arsenic
Se
Selenium
Br
Bromine
Kr
Krypton
Rb
Rubidium
Sr
Strontium
Y
Yttrium
Zr
Zirconium
Nb
Niobium
Mo
Molybdenum
Tc
Technetium
Ru
Ruthenium
Rh
Rhodium
Pd
Palladium
Ag
Silver
Cd
Cadmium
In
Indium
Sn
Tin
______ radiation consists of particles with 2+ charge
alpha
In a cathode ray tube, the cathode ray comes from the _____.
cathode
An electron's mass is essentially _ amu.
0
number of protons in an atom
atomic number
sum of its protons and neutrons
mass number
____ ray is not a part of the electromagnetic spectrum
beta
The characteristic of an electromagnetic wave that is associated with the energy of that radiation is its
frequency
______ has the greatest energy
ultraviolet
Pieces of energy are known as
quanta
The lowest sublevel in each principal energy level is represented by the symbol _
s
The longer the wavelength of light, the _____ its frequency
lower
The _______ the frequency of light, the higher the energy of its photons
greater
The electron configuration of an atom gives the distribution of electrons in the
ground state
The energy of an atom in an excited state is ____ than its energy in the ground state.
more