Periodic table and intermolecular forces

What does each row in the periodic table represent?

• A chemical family
• A period
• An element group
• A molecular bond

Which element is represented by the chemical symbol 'Na'?

• Neon
• Nickel
• Sodium
• Nitrogen

Which of the following trends increases as you move from left to right across a period in the periodic table?

• Atomic radius
• Electronegativity
• Metallic character
• Number of protons

Tags

NGSS.HS-PS1-1

What is the primary factor that determines an element's chemical properties?

• Number of neutrons
• Valence electrons
• Atomic mass
• Electron shell shape

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of bond forms when electrons are shared between atoms?

• Ionic bond
• Covalent bond
• Metallic bond
• Hydrogen bond

Which group contains the noble gases?

• Group 1
• Group 2
• Group 17
• Group 18

What is the trend in atomic size as you move down a group in the periodic table?

• Atomic size increases
• Atomic size decreases
• Atomic size remains constant
• Atomic size varies unpredictably

What causes elements in the same group to have similar chemical properties?

• Same number of electron shells
• Same number of valence electrons
• Same atomic mass
• Same nucleus size

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the term for the energy required to remove an electron from an atom?

• Ionization energy
• Electron affinity
• Electronegativity
• Atomic potential

What type of force holds ionic compounds together?

• Hydrogen bonding
• Dipole-dipole interactions
• Electrostatic attraction
• London dispersion forces

Tags

NGSS.HS-PS1-3