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Chemical Formulas
Atomic Theory
The Periodic Table
Ionic Bonding
Naming
100
Tin (IV) Oxide

SnO2

100
Three subatomic particles that make up atoms
What is Protons, Neutrons, Electrons
100
The rows on the periodic table
What is Periods
100
An atom that has gained or lost one or more electrons
What is Ion
100

Na2S

Sodium Sulfide

200

Sodium Chloride

NaCl

200
Scientist who performed the Gold Foil Experiment in which he concluded that atoms had a dense central region called the nucleus.
What is Ernest Rutherford
200
Russian chemist who is given credit for constructing the first periodic table
What is Dmitri Mendeleev
200
Name given to negatively charged ions
What is Anion
200

(NH4)2S

Ammonium Sulfide

300

Chromium (III) Selenide

Cr2Se3

300
Scientist who proposed the plum-pudding model of the atom
What is J.J. Thomson
300
This category of elements makes up most of the periodic table
What is Metals
300
Chemical formula for copper(II) chloride
What is CuCl2
300

K3(PO3)

Potassium Phosphate

400

Ammonium Hydroxide

NH4OH

400
The number of particles in exactly 1 mole of a pure substance.
What is Avogadro's Constant
400
This English chemist arranged the first 16 known elements in order of increasing atomic mass.
What is John Newlands
400
An ionic compound composed of ions bonded together and arranged in a 3-dimensional pattern.
What is Salt
400

CuS

Copper (II) Sulfide

500

Cobalt (II) Oxide

CoO

500
This law states that a given compound contains the same elements in exactly the same proportions by mass, regardless of the size of the sample or the source of the compound.
What is Law of Definite Proportions
500
The two problems with Mendeleev's Periodic Table
What is There were gaps in his table and the elements were not arranged according to atomic number.
500
An electrically-charged group of two or more chemically-bonded atoms that function as a single ion.
What is Polyatomic Ion
500

AgCl2

Silver (II) Chloride