Ionic and Covalent Bonding Concepts

What is the primary characteristic of ionic bonding?

• Equal sharing of electrons

• Sharing of electrons

• Transfer of electrons

• Formation of molecules

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

What is the typical electronegativity difference for an ionic bond?

• 0.5 to 1.0

• Less than 0.5

• 1.7 or larger

• 1.0 to 1.7

Which of the following is NOT a property of ionic bonds?

• High melting points

• Brittle

• Form molecules

• Solid at room temperature

Tags

NGSS.HS-PS2-4

What is a crystal lattice structure?

• A regular pattern of positive and negative ions

• A random arrangement of ions

• A liquid structure

• A single molecule

Tags

NGSS.HS-PS1-3

How are electrons shared in covalent bonding?

• Only shared equally

• Transferred completely

• Equally or unequally

• Not shared at all

Tags

NGSS.HS-PS1-1

What is the typical electronegativity difference for a covalent bond?

• Less than 1.7

• 1.7 or larger

• Greater than 2.0

• Exactly 1.7

Tags

NGSS.HS-PS1-1

Which of the following is a property of covalent bonds?

• Can be in any state of matter

• Form crystal lattice structures

• High melting points

• Always solid at room temperature

What is the difference between polar and nonpolar covalent bonds?

• Nonpolar bonds are always ionic

• Polar bonds share electrons unequally

• Nonpolar bonds have different electronegativity values

• Polar bonds share electrons equally

Tags

NGSS.HS-PS1-1

What type of bond is formed when the electronegativity difference is 0?

• Nonpolar covalent bond

• Metallic bond

• Polar covalent bond

• Ionic bond

If the electronegativity difference between two atoms is 2.1, what type of bond is formed?

• Nonpolar covalent bond

• Polar covalent bond

• Ionic bond

• Metallic bond