Atomic Model
The Number
The Periodic Table
Measurement
Scientific Method
100
The name of the atom comes from which Greek philosopher
Who is Democritus
100
Identifies the element
What is the atomic number or number of protons
100
The arrangement of elements by increasing atomic number is patterned on this table
What is the periodic table
100
SI unit for volume or capacity
What are liters
100
An answer to a question or a solution to a problem phrased as an If/Then statement
What is a hypothesis
200
Identified the Electron
Who is JJ Thompson
200
is the sum of the number of protons and number of neutrons in the nucleus
What is the mass number
200
Vertical columns in the periodic table are called
What are groups or families
200
SI unit for length
What are meters
200
A variable you can change. Sometimes this variable is a unit of time
What is an independent variable
300
Conducted the Gold Foil experiment
Who is Ernest Rutherford
300
Where the majority of mass is located in an atom
What is the nucleus
300
How many valence electrons do lithium and potassium have?
What is one
300
Prefix for 100
What is Hecto
300
The part of your experiment that is used to compare your results.
What is a control
400
Danish physicist hypothesized that electrons travelled in fixed orbits around the nucleus
Who is Niels Bohr
400
the average mass of all known isotopes
What is the atomic mass
400
Energy levels on the periodic table are arranged by
What are periods
400
Prefix for .01
What is Centi
400
Used to display results over a period of time
What is a line graph
500
Proposed that almost all the mass of the atom and all its positive charges were concentrated in a nucleus
Who is Ernest Rutherford
500
The unit of measurement used for atomic particles
What is the atomic mass unit (amu)
500
Are the 3 categories of elements arranged on the periodic table
What are metals, metalloids
500
Equation for density
What is D= M/V, Density equals mass divided by volume.
500
Is not valid unless you can test it
What is a hypothesis
M
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