Historical Development of the Atom
This scientist discovered the electron.
Who is JJ Thomson?
The subatomic particle orbiting the nucleus.
What is an electron?
This number tells you the number of protons an atom has.
What is the atomic number?
The element with 8 protons.
What is oxygen?
This is the shorthand notation for the major isotope of Carbon.
This scientist discovered the nucleus
Who is Ernest Rutherford?
A subatomic particle with no charge.
What is a neutron?
This is the quantity of protons and neutrons in the nucleus.
What is the mass number?
The element with 20 electrons?
What is Calcium?
What is 16 neutrons?
This is the name of the scientist who developed the Atomic Theory.
Who is John Dalton?
This subatomic particle is responsible for the arrangement of the elements in the periodic table and has a positive charge.
What is a proton?
This is the weighted average of all isotopes of an element, not to be confused with the mass number!
What is the atomic mass?
This element has the same number of protons and neutrons. The atomic mass is 28.
What is silicon?
What does the 3 Part of Dalton's Atomic Theory State?
This scientist discovered the charge of the electron.
Who is Robert Millikan?
The nucleus is comprised of these subatomic particles?
What are protons and neutrons?
This type of element has different number of neutrons but the same number of protons as atoms of the same element.
What is an isotope?
This element exists in nature most of the time with no neutrons and a mass number of 1.0079
What is hydrogen?
Which isotope is the most abundant? Sulfur - 32 or Sulfur -35?
What is 3 isotopes?
Rutherford concluded the atom was most comprised of empty space using this experiment.
What is the gold-foil experiment?
This subatomic particle is the smallest of all.
What is an electron?
The mass of an atomic mass unit is based on this element's atomic mass.
What is carbon?
What element has 27 Protons and 32 Neutrons?
What is cobalt?
Gold has this many protons?
What is 79?