Classification
These compounds contain charged particles
What is an ionic compound?
Metals form __ ions
What is positive (+)
This indicates the number of protons in an atom
What is the atomic number
H2
What is Hydrogen gas
CsBr
What is cesium bromide
Name at least four elements that are diatomic
What are H, Cl, O, N, I, Br
Positive ions are also called ________
What are cations
These subatomic particles are negatively charged
What is an electron?
Phosphorus trichloride
What is PCl3
Lead (ll) Sulfide
PbS
The atoms in these compounds share electrons
What are covalent (molecular) compounds?
Charged compounds that contain more than 2 types of elements
What are complex ions?
The gold foil experiment
Who is Rutherford?
Propane, or C3H8 is also called this
What is tricarbon octahydride ?
Aluminum nitrate
What is Al(NO3)3
These refer to atoms of the same element that have different mass numbers due to a different number of neutrons.
What is an isotope?
This periodic table group forms anions
What are nonmetals?
The mass number equals_________
what is the number of protons + the number of neutrons?
SF4
What is sulfur tetraflouride
KMnO4
What is potassium permanganate?
Group 18 elements are otherwise known as these
What is a noble gas?
These are used to indicate which transition metal ion is in a compound?
What are roman numerals?
The billiard ball model of the atom
Who is Dalton?
CO
What is carbon monoxide?
Iron (III) chloride
What is FeCl3