The Periodic Table: Atomic Radius, Ionization Energy, and Electr

Who proposed the periodic table of elements?

• Albert Einstein

• Marie Curie

• Dmitri Mendeleev

• Isaac Newton

What determines the characteristics of each element?

• Number of valence electrons

• Number of neutrons

• Number of protons

• Atomic mass

What happens to the atomic radius as we proceed downward on the periodic table?

• Increases

• Fluctuates

• Decreases

• Remains constant

What is the trend for ionization energy as we move from left to right on the periodic table?

• Increases

• Remains constant

• Decreases

• Fluctuates

What is the opposite of ionization energy?

• Valence electrons

• Electronegativity

• Atomic radius

• Electron affinity

Which element has the highest electron affinity?

• Fluorine

• Helium

• Lithium

• Oxygen

What is the ability of an atom to hold electrons tightly called?

• Atomic radius

• Valence electrons

• Electronegativity

• Ionization energy

What determines the periodic trends in the periodic table?

• Atomic mass

• Orbital symmetry

• Atomic number

• Number of shells

What is the reason for the exceptions to the ionization energy trend?

• Discrepancies in orbital symmetry

• Number of protons

• Number of neutrons

• Atomic radius

What is the main factor that determines the behavior of elements in the periodic table?

• Atomic mass

• Number of valence electrons

• Number of neutrons

• Number of protons