Electrons (Crash Course Chemistry)

Who is credited with discovering the electron?

• John Dalton

• J.J. Thomson

• Ernest Rutherford

• Neils Bohr

Take a look at a periodic table. Where is sodium (Na) located in relation to lithium (Li)?

• Sodium (Na) is located directly to the RIGHT of lithium (Li)

• Sodium (Na) is located directly to the LEFT of lithium (Li)

• Sodium (Na) is located directly BELOW lithium (Li)

• Sodium (Na) is located directly ABOVE lithium (Li)

What is the name of Neils Bohr's atomic model?

• "Plum Pudding" Model

• "Bohr/Planetary" Model

• "Billiard Ball" Model

• "Quantum Mechanical" Model

What is the name of the atomic model that John Dalton proposed?

• "Billiard Ball" Model

• "Quantum Mechanical" Model

• "Building Block" Model

• "Plum Pudding" Model

What is the name of Erwin Schrodinger's atomic model? (HINT: it is the currently accepted atomic model)

• "Plum Pudding" Model

• "Quantum Mechanical" Model

• "Planetary" Model

• "Rutherford" Model

What is the maximum number of electrons that can fit into an "s" orbital sublevel?

• 10

• 2

• 6

• 14

Where are the noble gases located on the periodic table?

• The noble gases are located on the far left.

• The noble gases are located on the far right.

• The noble gases are located in the middle.

• The noble gases are located at the bottom.

Which orbital sublevel fills up immediately BEFORE the 3d sublevel?

• 3s

• 4p

• 4s

• 3p

What is ionization energy?

• The energy it takes to ionize a gas.

• The energy it takes to remove an electron from an atom to create an ion of that element.

• The energy it takes to add a proton to the nucleus of an atom.

• The energy it takes to remove a proton and neutron from the nucleus of an atom.

What is the maximum number of electrons that can fit into an "f" orbital sublevel?

• 14

• 6

• 10

• 2