The thing that is intentionally changed in an experiment
independent variable
Compound made of a metal and a nonmetal
ionic compound
Element with the atomic number 54
Xenon
Subatomic particle with a positive charge
proton
Electrons on the outermost ring
valence electrons
Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine
the diatomic elements
covalent compound
Number of electrons in a full valence shell
8
Ion with a negative charge
anion
Any group of atoms bonded together
molecule
Data dealing with numbers
quantitative data
Prefix that corresponds to the number seven
hepta
A group of elements found in the middle of the periodic table
transition metals
Ion with a positive charge
cation
Atoms of different elements bonded together
C3H8
propane
Electrons are shared in this type of bond
covalent bond
Group of very reactive elements with only one valence electron
alkali metals
Charge on a chloride ion
-1
The degree to which a material conducts electricity
conductivity
Atoms with the same number of protons but different numbers of neutrons
isotopes
Electrons are transferred in this type of bond
ionic bond
Group of elements with a full valence shell
noble gases
C2H3O2-
acetate
He divided elements into groups based on their properties and ordered them based on their atomic mass
Dimitri Mendeleev