Which of the following compounds is formed by an ionic bond?

• H2O

• CH4

• Hydrogen Peroxide

  (H2O2)

• Sodium Chloride (NaCl)

2. Which of the following statements is true about the melting points of ionic compounds compared to covalent?

• Ionic and covalent compounds have similar melting points.
• Ionic compounds have lower melting points than covalent compounds.
• Ionic compounds have higher melting points than covalent compounds.
• Covalent compounds have higher melting points than ionic compounds.

Tags

NGSS.HS-PS1-3

3. Electrons are transferred in

• Redox reactions
• Covalent bonds
• Ionic bonds
• Hydrogen bonds

Tags

NGSS.MS-PS1-5

Electrons are in an "Electron Sea"

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

5.  Ionic compounds state is 

• Liquid
• Gas
• Plasma
• Crystalline Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Covalent compounds state is

• Crystalline Solid

• Gas, liquid or solid

• Only liquid

• Only gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

8.  Ionic Conductivity

• Always conductive

• conductive in aqueous solution (water)

• Never conductive

• Conductive only on Wednesdays

9. Covalent Conductivity

• Not Conductive

• Always Conductive

• Only in Aqueous solution

• Only every other thursday

What type of bond is formed when atoms share electrons?

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

What type of bond is formed when atoms transfer (or give away) their electrons?

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