Unit 3

Unit 3

Multiple Choice

States that electrons fill lower-energy atomic orbitals before filling higher-energy ones

• Aufbau Principle

• Hund's Rule

• Pauli Exclusion Principle

• Heisenberg Uncertainty Principle

Multiple Choice

Which sublevel has only 1 orbital?

• s

• p

• d

• f

Multiple Choice

Which sublevel has 3 orbitals?

• s

• p

• d

• f

Multiple Choice

Which sublevel has five orbitals?

• s

• p

• d

• f

Multiple Choice

Which sublevel has 7 orbitals?

• s

• p

• d

• f

Multiple Choice

Which sublevel can hold up to 6 electrons but no more?

• s

• p

• d

• f

Multiple Select

Which sublevels are being filed in energy level 1 (period 1)?

• s

• p

• d

• f

Multiple Select

Which sublevels are being filled in energy level 2 (period 2)?

• s

• p

• d

• f

Multiple Choice

Which element if found in the s block?

• C

• Zn

• Ho

• He

Multiple Choice

Which element is found in the s block?

• Ca

• Cu

• C

• Co

Multiple Choice

Which element is in the d block?

• K

• Fe

• Pm

• Ga

Multiple Choice

Which element is found in the f block?

• U

• Ne

• Hg

• Ba

Multiple Choice

How did Dmitri Mendeleev arrange the elements in his periodic table?

• increasing atomic numbers

• Increasing atomic mass

• Alphabetical order

• no order

Multiple Choice

Henry Mosley arranged the periodic table by increasing

• atomic number

• mass number

• atomic mass

• number of neutrons

Multiple Choice

Alkali metals are found in

• group 1

• group 2

• Group 17

• group 18

Multiple Choice

Alkaline Earth Metals are found in group

• 1

• 2

• 3-12

• 18

Multiple Choice

The most reactive of the nonmetals the halogens are found in group

• 15

• 16

• 17

• 18

Multiple Choice

Which group contains gases that are mostly unreactive?

• 1

• 2

• 17

• 18

Multiple Choice

Groups 3 - 12 are known ast the

• Transitional metals

• other metals

• Rare Earth metals

• Alkaline Earth Metals

Multiple Choice

The Actinide Series and Lanthanide Series are known as the

• Transitional Metals

• Alkaline Earth Metals

• Alkali Metals

• Rare Earth Metals

Multiple Choice

What do you call the electrons that occupy the highest energy level?

• positrons

• valance electrons

• excited electrons

• ions

Multiple Choice

Based on your knowledge of trends on the periodic table, which element has the largest atomic radius?

• potassium, K

• Iron, Fe

• Zinc, Zn

• Bromine, Br

Multiple Choice

Using you knowledge of trends on the periodic table, which element has the larges atomic radius?

• potassium, K

• Rubidium, Rb

• Sodium, Na

• Francium, Fr

Multiple Choice

The periodic trend that describes the energy required to remove an electron from a gaseous atom or ion is

• atomic radius

• Ionization energy

• Electron affinity

• electronegativity

Multiple Choice

The periodic trend that is a measure of the tendency of an atom to attract a bonding pair of electrons is .

• atomic radius

• Ionization energy

• Electron affinity

• electronegativity

Multiple Choice

Which electron diagram uses Noble gases, group 18?

• Orbital diagrams

• Electron Configurations

• Short-Hand Electron Configurations

• Lewis Structures

Multiple Choice

Which element has a total of 17 electrons (use your periodic table)?

• chlorine

• Oxygen

• Fluorine

• Bromine

Multiple Select

Which sublevels are being filled across period 4?

• s

• p

• d

Multiple Choice

The statement: You cannot precisely now both the position and velocity of an electron at the same time; refers to

• Aufbau Principle

• Hund's Rule

• Pauli Exclusion Principle

• Heisenberg Uncertainty Principle

Multiple Choice

States that it is impossible for two electrons of an atom to have the same values of the four quantum numbers: n, the principal quantum number, ℓ, the azimuthal quantum number, m_ℓ, the magnetic quantum number, and m_s, the spin quantum number.

• Aufbau Principle

• Hund's Rule

• Pauli Exclusion Principle

• Heisenberg Uncertainty Principle

Multiple Choice

States that every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied, and all electrons in singly occupied orbitals have the same spin.

• Aufbau Principle

• Hund's Rule

• Pauli Exclusion Principle

• Heisenberg Uncertainty Principle

Multiple Choice

When an electron is in the lowest energy state of an atom it is called the

• Ground state

• Active state

• Kinetic State

• Excited State

Multiple Choice

When an electron is in a higher than normal energy position it is known as the

• Ground state

• Active State

• Excited State

• Kinetic State