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WRITING FORMULAS
NAMING
DEFINITIONS
PEOPLE
PERIODIC TABLE
100
What is the formula for potassium phosphate?
What is K3PO4
100
What is the chemical name of N2O5?
What is dinitrogen pentoxide.
100
What does the "Law of Conservation of Mass" say?
It indicts that a mass is neither created nor destroyed.
100
Who took conducted experiments involving oil drops to help determine the charge of an electron?
Who is Robert Millikan.
100
What is the common name for Group 17?
What is Halogens.
200
What is the formula for ammonium sulfate?
What is (NH4)2SO4
200
What is the chemical name of N2O?
What is Nitrous Oxide.
200
What is an ion?
What is an atom with a net charge (+/-) due to the loss or gain of electrons.
200
Who made impact in modern atomic theory when he used the vacuum tube made by Heinrich Geissler to discover cathode rays?
Who is William Crookes?
200
What is the common name for Group 2?
What is Alkaline Earth Metals
300
What is the formula of cobalt(II) hydroxide?
What is Co(OH)2.
300
What is the chemical name of Nb2O5?
What is Niobium(V) Oxide.
300
What is a chemical bond?
What is the energy that holds two atoms together in a chemical compound.
300
Who created the first version of the Periodic Table of Elements?
Who is Dmitri Mendeleev.
300
What is the least reactive group and why?
What is Noble Gases. It has a full valence shell, therefore it doesn't have any need for change; less reactive.
400
What is the formula for phosphorus triiodide?
What is PI3.
400
What is the chemical name of NbSe3?
What is Niobium(VI) Selenide.
400
What is the 'ball and stick model' ?
A model that distorts the atom sizes but shows bond relationships clearly.
400
Who published the Atomic Theory which stated that all matter is composed of atoms, which are small and indivisible?
Who is John Dalton.
400
What is the common name for Group 18?
What is Noble Gases.
500
What is the formula for Neodymium(II) Iodide?
What is NdI2.
500
What is the chemical name of C10H8?
What is Naphthalene.
500
What is a 'group' on the periodic table.
What is a vertical column in which all included elements have the same number of valence electrons.
500
Who is the English scientist who received a Nobel Prize for his discovery of the neutron?
Who is James Chadwick.
500
What is the number of valence electrons Fe has?
What is 2 or 3.