Sci9

Who proposed the probability that electrons will be found  in certain locations around the nucleus of an atom?

• Neils Bohr
• Erwin Schrodinger
• Ernest Rutherford
• Joseph John Thomson

Which orbital designation has the highest energy?

• 2s
• 2p
• 3d
• 4s

What occurs when an electron moves from high energy level to low one?

• another electron goes from a low energy level to a high one
• the atom moves faster
• colored light is given off
• this process is not possible

Which atomic model is proposed by Schrodinger?

• Nuclear Model
• Planetary Model
• Bread Raisins Model
• Quantum Mechanical Model

How many orbitals are in the third principal level?

• 2
• 3
• 6
• 9

Which sub-atomic particle/s is/are present in the nucleus of an atom?

• proton and electron
• neutron and electron
• proton and neutron
• proton only

The symbol "n" in the Bohr's Theory of Atomic Structure refers to

• the energy of electron.
• the total energy of the atom.
• the number of electron in an energy level
• the orbit in which the electron is found

What are the orbitals present in the fifth principal energy level?

• s
• s,p
• s,p,d
• s,p,d,f

Which combination describes the flame color of the compound when heated?

• Sodium Chloride - Orange
• Copper II Sulfate - Violet
• Potassium Chloride - Blue
• Boric Acid - Red

Who proposed that electrons rotate on their specific orbit?

• Neils Bohr
• Eugene Goldstein
• Joseph John Thomson
• Ernest Rutherford