Old Dead White Guys
This man created both Atomic Theory as well as the Law of Multiple Proportions
Who was John Dalton?
_Na(s) + _Cl2(g) → _NaCl(s)
What are: 2, 1, and 2?
H
What is Hydrogen?
N2
What is Nitrogen?
These are the two types of bonds that have been explained in class
What are Ionic and Covalent bonds?
This man designed the layout for the periodic table of elements, ingeniously leaving spaces between elements where there should be an element, but one hadn't been discovered yet
Who what Dmitri Mendeleev?
_Ba(s) + _Al(OH)3(aq) → _Ba(OH)2(aq) + _Al(s)
What are: 3, 2, 3, and 2?
S
What is Sulfur?
CaC
What is Calcium Carbide?
This is the number of atoms of a substance in 1 mole of that substance
What is 6.022×1023?
This man created the Law of Conservation of Mass
Who was Antoine Lavoisier?
_P4(s) + _Br2(g) → _PBr3(s)
What Are: 1, 6, and 4?
Sr
What is Strontium?
K3PO4
What is Potassium Phosphate?
An isotope is an element that differs in the number of this nucleon
What is a Neutron?
This man created the Law of Definite Proportions, also known as the Law of Constant Composition
Who was Joseph Proust?
_H2S(g) + _Cl2(g) → S8(s) + _HCl(l)
What are: 8, 8, 1, and 16?
Au
What is Gold?
C3H8
What is Tricarbon Octahydride?
A mixture that is made up of parts that are imperfectly mixed is known as this
What is heterogenous?
This man is responsible for the discovery of the negatively charged particle around the nucleus known as the electron (e-)
Who was Sir Joseph John "J.J." Thomson?
_Ba(NO3)2(aq) + _H3PO4(aq) → _Ba3(PO4)2(s) + _HNO3(aq)
What are: 3, 2, 1, and 6?
W
What is Tungsten?
What is Cobalt (III) Dichromate?
This group of elements contains Oxygen, Sulfur, Selenium, and Tellurium among others
What are the chalcogens?