The Periodic Table
Rows
What are periods
Proposed the Plum Pudding Model of the Atom
Who is J. J. Thomson
Iron (III) oxide
What is Fe2O3
Halogen used to disinfect pools
What is chlorine
pH of acids
What is below 7
Russian chemist credited with organizing the elements
Who is Mendeleev
Atoms with different number of neutrons
What are isotopes
Ca3N2
What is calcium nitride
Most abundant element in the Earth's crust
What is silicon
Name of H2SO4
What is sulfuric acid
Main group metals which carry a charge of +2
A\What are the Alkaline Earth Metals
Determines the number of protons in an atom
What is the atomic number
Dinitrogen tetroxide
What is N2O4
What is Americium
Gastric juice
What is hydrochloric acid
What is bromine
Represents the number of protons and neutrons in the nucleus
What is mass number
Phosphate
What is PO4-3
A compound of this element is added to drinking water to prevent tooth decay
What is fluorine
Name of process in which an acid reacts with a base to produce a salt and water
What is neutralization
Lanthanides and Actinides Collectively
Inner Transition Metals
Proposed that elements combine in whole numbers to form compounds
Who is John Dalton
manganese (II) hydrogensulfate
Used in stainless steel to prevent corrosion
What is chromium
Acid that etches glass
What is hydrofluoric acid, HF