Atomic Theory Scientists
The scientist who first suggested the existence of atoms
Who is Democritus?
How the number of valence electrons are determined on the periodic table
What are groups?
The unit of distance that wavelengths are measured in
What are meters, m?
The symbol for Carbon
What is C?
The scientific notation and symbol for Tera and Giga
What is 1012, T, and 109, G?
The scientist who was the first to have the theory about matter being composed of atoms?
Who is John Dalton?
How the number of energy levels are determined on the periodic table
What are periods?
The unit of measure that frequencies are measured in
What are Hertz, Hz?
The element name for the symbol O
The scientific notation and symbol for Mega and Kilo
What is 106, M, and 103, K?
The scientist who proposed that atoms have negative electrons scattered throughout a positively charged area
Who is J.J. Thompson?
The three major groups of elements on the periodic table
What are metals, metalloids, and nonmetals?
The measurement that energy is measured in
What are Joules, J?
The symbol for Aluminum
What is Al?
What is 102, h, and 101, da?
The scientist who figured out that the atom has a nucleus, using the Gold Foil Experiment
Who is Ernest Rutherford?
The five element families on the periodic table
What are alkali metals, alkali earth metals, transition metals, halogens, and noble gases?
The unit of measurement that the speed of light is measured in
What are meters per second, m/s?
The symbol for Selenium
What is Se?
The scientific notation and symbol for deci and centi
What is 10-1, d, and 10-2, c?