Fall 2024 Exam Review

How many core electrons does the model have? Use the Bohr model to the right for questions 1-5.

• 1

• 2

• 3

• 5

Which element does this model represent? Use the Bohr model to the right for questions 1-5.

• Boron

• Lithium

• Sodium

• Aluminum

What refers to the energy required to remove a valence electron?

• Electronegativity

• Atomic Radius

• Electron Affinity

• Ionization Energy

What is atomic radius?

• The distance from the center of the nucleus to the furthest valence shell

• The distance from one side of the nucleus to the other

• The distance between the closest electrons

• The distance between the furthest electrons

When you add new orbitals (electron shells) the atomic radius ____.

When you add more valence electrons to an existing electron shell (orbital), the atomic radius ____.

When an element has a larger atomic radius, it is ____ to remove a valence electron.

If it is harder to remove a valence electron from an element, then the ionization energy ____.

Which element has a larger atomic radius?

• Sodium

• Chlorine

• Hydrogen

• Distractium

An element is more reactive if it has

• A smaller atomic radius

• A higher ionization energy

• A lower ionization energy

• A lower electron affinity