Science Review Quiz

Who formulated the "uncertainty principle"?

• Erwin Schrodinger

• James Maxwell

• Louise de Broglie

• Werner Heisenberg

Where are the electrons usually found according to the atomic theory?

• in the atomic nucleus

• outside the nucleus

• anywhere they want to be

What is the region around the atomic nucleus where the electron is mostly found?

• Energy level

• Atomic orbital

• Atomic blocks

• Chemical bond

Which is the lowest value that the principal energy level may have?

• 0

• 1

• 2

• 3

How many valence electrons does an atom require to have a full shell?

• 4

• 8

• 16

• 32

Which explains the filling up of the orbital in the order of increasing energy?

• Hund’s Rule

• Dalton’s Atomic Theory

• Aufbau principle

• Pauli’s Exclusion Principle

It is a force that holds the atom together in a compound.

• Chemical bond

• Chemical formula

• Energy level

• Atomic orbital

What is the charge of O in the CaO compound?

• +1

• -1

• -2

• +3

What is the maximum number of electrons with l = 0

• 1

• 2

• 4

• 8

A charged particle that has gained at least one electron is called a(n)____.

• Anion

• Cation

• Protons

• Electrons