Midway Periodicity

To which group does Bromine belong?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases

Which of the following increase with increasing atomic number in the halogens? Select ALL that apply.

• Atomic Radius

• Ionization Energy

• Melting Point

• Reactivity

Which of the following increase with increasing atomic number in the alkali metals? Select ALL that apply.

• Atomic Radius

• Ionization Energy

• Melting Point

• Reactivity

What is the reason that Na has a larger atomic radius than Li?

• As you move down a group, atomic radius gets larger.

• Na has more neutrons than Li.

• Na has a higher effective nuclear charge on its valence electron compared to Li.

• Na has more energy levels occupied by electrons

What is the physical property on the Y-axis on the graph?

• Atomic Radius

• Melting Point

• Ionic Radius

• Ionization Energy

Which of the following are transition metals? Select ALL that apply.

• Sc

• Na

• Fe

• Cr

• Sr

What are common properties of transition metals?

• They are often used as catalysts.

• The have more than one oxidation state.

• Their ions are usually colored in water.

• All of the above.

What is the electron configuration for Ti?

• [Ar] 4s² 3d²

• [Ar] 4s⁴

• [Ar] 3d²

• [Ar] 3d⁴

What is the electron configuration for Ti²⁺?

• [Ar] 4s² 3d²

• [Ar] 4s⁴

• [Ar] 3d²

• [Ar] 3d⁴

Which group of elements has the electron configuration ending p⁵?

• Alkali Metals

• Alkaline Earth Metals

• Halogens

• Noble Gases