Understanding the Periodic Table and Periodic Trends

Who is credited with the development of the periodic table as we know it today?

• Albert Einstein

• Dmitri Mendeleev

• Isaac Newton

• Marie Curie

What happens to the atomic radius as you move down a group in the periodic table?

• It decreases

• It remains the same

• It fluctuates

• It increases

Which element is used as an example to explain the concept of ionization energy?

• Carbon

• Oxygen

• Francium

• Helium

Which element is highlighted as having a high electron affinity due to its desire to gain an electron?

• Fluorine

• Sodium

• Lithium

• Neon

What is electronegativity a measure of in a chemical bond?

• The number of valence electrons

• The size of an atom

• The ability to hold onto electrons

• The ability to lose electrons