Bozeman Science Periodicity

What principle helps to determine the electron configuration?

• Heisenberg Uncertainty Principle

• Pauli Exclusion Principle

• Aufbau Principle

• Bohr's Principle

What law explains the changes in ionization energy, atomic and ionic radii, electronegativity, and ion charge?

• Boyle's Law

• Coulomb's Law

• Ohm's Law

• Newton's Law

What is the general trend for ionization energy as you move across the periodic table?

• Decreases to the left

• Decreases to the right

• Increases to the left

• Increases to the right

What happens to the atomic radii as you move down the periodic table?

• Remains constant

• Decreases

• Fluctuates

• Increases

What is the trend for electronegativity as you move from left to right across a subshell?

• Fluctuates

• Remains constant

• Increases

• Decreases

How can ionic charge be determined using Coulomb's Law?

• By looking at the number of protons

• By looking at the proximity to a noble gas

• By looking at the number of neutrons

• By looking at the distance from the nucleus

Who is known as the father of the periodic table?

• Julius von Meyer

• Niels Bohr

• Dmitri Mendeleev

• Marie Curie

What did Mendeleev use to make predictions about unknown elements?

• The Periodic Table

• Bohr's Model

• Coulomb's Law

• His Intuition

What can scientists do by understanding periodic trends?

• Predict material properties

• Predict the weather

• Predict stock market trends

• Predict human behavior

What is the key factor in designing new materials based on the periodic table?

• Electron configuration

• Atomic mass

• Number of isotopes

• Molecular weight