History of the Atom

Who used Cathode Ray Tubes to discover the electron?

True or False: Neutrons have mass but have no charge.

Who wrote the Atomic Theory at the beginning of the 1800s?

Which of the following is part of Dalton's Atomic Theory?

Rutherford is credited with discovering which subatomic particle?

Who first organized the periodic table by the elements atomic masses?

Who performed the famous Oil Drop Experiment to discover the charge value of the electron?

Is it possible to have atoms of the same element with different masses?

Who discovered Radium?

Who discovered the atom has a nucleus using the famous Gold Foil Experiment?

What is the mass number of an atom equal to?

JJ Thomson's proposed model of the atom is called?

Which subatomic particles have a mass of 1 amu?

What is the charge of the proton?

What is the atomic number equal to?

Who first stated that atoms existed?

What is the charge of an electron?

True or False: The mass of an electron is 1 amu

Who looked at the speed of atoms to discover the neutron?

Rutherford discovered that protons are located in the ______ of an atom.