Lewis structures

Determine the type of bond in an oxygen molecule (O₂). HINT: Use (IE - AE)/2 = # of bonds.

• Double covalent
• Single covalent
• Ionic
• Triple covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Determine the type of bond in a nitrogen molecule (N₂). HINT: Use (IE - AE)/2 = # of bonds.

• Double covalent
• Single covalent
• Ionic
• Triple covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Determine the type of bond in a hydrogen molecule (H₂). HINT: Use (IE - AE)/2 = # of bonds.

• Double covalent
• Single covalent
• Ionic
• Triple covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A Lewis structure can be used for showing an ionic bond but instead for dashes for the bonds positive and negative _____ are represented.

• atoms
• ions
• molecules
• electrons

If electrons are shared unequally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

If electrons are shared equally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

Metals and nonmetals form which kind of bond?

• Polar covalent
• Ionic
• Non-polar covalent
• Metallic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How strongly an atom attracts electrons is called....................

• Ionization energy
• Electronegativity
• Electricity
• Nuclear force