states that mass is neither destroyed nor created during ordinary chemical reasons or physical changes
What is law of conservation of mass
100
man who created the modern day periodic table
What is dmitri mendeleev
100
a form of energy that exhibits wavelike behavior as it travels through space
What is electromagnetic radiation
100
a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
What is chemical bond
100
deals with the mass relationships of elements in compounds
What is stoichiometry
200
smallest particle of an element that retains the chemical properties of the chemical properties of that element
What is an atom
200
another name for group 18 is....
What is noble gases
200
the distance between corresponding points on adjacent waves
What is wavelength
200
chemical bonding that results from the electrical attraction between large numbers of cations and anions
What is ionic bonding
200
the ration of the actual yield to the theoretical yield multiplied by 100
What is percent yield
300
atoms of the same element that have different masses
What is isotope
300
the d block elements are groups.....
What is 3-12
300
a three dimensional region around the nucleus that indicates the probable location of an electron
What is orbital
300
a molecule containing only two atoms
What is diatomic molecule
300
the reactant that limits the amounts of the other reactants that can combine and the amount of product that can form in a chemical reaction
What is limiting reactant
400
number of protons in the nucleus of each atom of that element
What is atomic number
400
energy required to remove one electron from a neutral atom of an element
What is ionization energy
400
writing out the number of electrons with up and down arrows
What is orbital notation
400
electron configuration notation in which only the valence electrons of an atom of a particular element are shown, indicated by dots placed around the elements symbol
What is electron dot notation
400
the measured amount of a product obtained from a reaction
What is actual yield
500
chemical compound contains the same elements in exactly the same proportions by mass regardless of the sample
What is law of definite proportions
500
a positive ion is known as a...
What is cation
500
an electron occupies the lowest energy orbital that can receive it
What is aufbau principle
500
the energy released when one mole of an ionic crystalline compound is formed from gaseous ions
What is lattice energy
500
a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction