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Elements
Periodic table
People
Moles
Conversions
100
The atomic number of an element is located where
What is above the element symbol
100
Metals, non-metals and metalloids
What is the three classes of the periodic table
100
J.J Thomson is who
He discovered the electron
100
A balanced equation can tell you what
What is the number of moles of reactants and products
100
Mass divided by volume
What is the equation for density
200
Average atomic weight is located where
What is below the atomic aymbol
200
Groups 1A
What is Alkali metals
200
Hantaro Nagaoka did what in the world of chemistry
He suggest that an atom has a central nucleus
200
A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles.
What is Mole ration
200
A ratio of equivalent measurements
What is a conversion factor
300
Atomic radius is what
What is one half of the distance between the nuclei of two atomsof the same element when the atoms are joined
300
Lanthanides and Actinide are what block
What is F block
300
In 1923 Louis de Broglie did what
What is propose that moving electrons have some properties of waves.
300
Actual yield divided by the theoretical yield multiplied by 100 equals the
What is the Percent yield
300
Celcius +273 gives you
What is Kelvins
400
La is what element
What is Lanthanum
400
What are the diatomic elements
What is Hydrogen, Oxygen, Nitrogen, Flourine, Chlorine, Bromine and Iodine
400
James Chadwick confirmed what in 1932
What is confirm the existence of neutrons
400
Maximum number amount of product that could be formed from given amounts of reactants.
What is Theoretical yield
400
Error=experimental-_______
What is accepted value
500
Bohrium was named ofter who
Who is Niels Bohr
500
Transition metals are what block of elements
What is the D block
500
A balanced chemical equation provides the same kind of quantitative information that a recipe does
What is Stoichiometry
500
A way to analyze and solve problems using the untis, dimensions, of the measurements.
What is Dimensional analysis