the ratio of the mass of a substance to the volume of a substancs
What is density
100
this law states that two samples of a given compound are made of the same elements in exactly the same proportion
What is the law of definite proportion
100
The modern periodic table is arranged acording to this
What is atomic number
100
The number of particles in a mole
What is the avogadros number
100
an acidic substance contains more of this ion in solution
What is hydronium
200
a substance with afixed volume and shape thatresult fromthe way their particles are arranged
What is a solid
200
he proposed that elements are made of only one kind of atom and compounds contain two or more elements
Who is Dalton
200
His table contained gaps that future elements with particular properties will fill
Who is Mendeleev
200
In terms of mass, the periodic table reports this mass of each element
What is the average atomic mass of the element's isotopes
200
OH-
What is a base
300
a change in matter in whiah energy is released to the surroundings
What is an exothermic process
300
oxygen has an atomic mass of 16, and 8 of this number
What is the atomic number
300
elements in group that contain 1, 2, 13-18 are collectively called this
What is the main group elements
300
the molar mass of 3(CH2O)
What is 60
300
HC3COOH
What is acetic acid
400
The measurement of average kinetic energy of a substance
What is temperature
400
When a ligth passes through a prism, you can see that ligth is made odf only a few colors. This spectrum of a few colors is called this
What is line emission spectrum
400
It is the energy that is supplied to remove an electron from an atom
What is ionization energy
400
A dead battery is found to contain a compound of Mn and O, its analysis gives 69.6% Mn and 30.4% O
what is its emperical formula
What is Mn2O
400
a proton donor
What is Bronsted Lowry acid
500
The relatioship between energy transfered as heat to a substance and the substance's temperature change
What is specific heat
500
(Ar)4S2 ( with 2 superscript) represents this element
What is Calcium
500
linus pauling, one of Americas most famous chemists, made a scale of numerical values that reflect how much an atom in a molecule attacts an electron, this value is called the - value of an atom
What is the electronegativity value
500
the molecular formular for iron 3 phosphate
What is FePO4
500
the hydronium concentration in afruit juice that has a pH of 3.3