Periodic Trends and Chemical Bonding

What is the trend of atomic radius across a period in the periodic table?

• Fluctuates

• Remains constant

• Increases

• Decreases

What happens to the ionization energy as you move down a group in the periodic table?

• Fluctuates

• Remains constant

• Decreases

• Increases

What is the trend of electron affinity as you move from left to right across a period?

• Increases

• Remains constant

• Decreases

• Fluctuates

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the minimum amount of energy that an electron in a gaseous atom has to absorb to come out of the influence of attracting force of the nucleus?

• Ionization energy

• Atomic radius

• Valency

• Electron affinity

What is the energy released when an electron is added to a neutral gaseous atom to form an anion?

• Electron affinity

• Valency

• Electronegativity

• Ionization energy

Which of the following molecules contains only London dispersion forces?

• CF₄
• HCl
• H₂O
• MgO_(aq)

Which of the following molecules would have the lowest boiling point?

• CH₄
• C₂H₆
• C₃H₈
• C₄H₁₀

Which of the following molecules has hydrogen bonding?

• HCl
• HI
• HF
• HBr

Hydrogen bonding is a special case of __________.

• london dispersion

• ion-dipole

• dipole-dipole

Forces that holds molecules together

• intramolecular forces

• intermolecular forces