Q2 M3 - PROPERTIES OF IONIC AND COVALENT COMPOUNDS

The following are ionic compounds EXCEPT

• AlF3
• CaCl2
• H2O
• Fe2O3

Tags

NGSS.HS-PS1-3

In which element should carbon (C) combine to form a covalent compound?

• Al
• Cl
• Fe
• Mg

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following combinations can form an ionic compound?

• metal + nonmetal
• nonmetal + nonmetal
• metal + metal
• cannot be determined

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following combinations can form a covalent compound?

• metal + nonmetal
• nonmetal + nonmetal
• metal + metal
• all of these

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which type of chemical bonding involves electron sharing?

• covalent
• ionic
• metallic
• all of the above

Which of the following types of bonds will have the highest electrical and thermal conductivity?

• ionic bond
• polar covalent bond
• nonpolar covalent
• all of these

Which compound will have a high melting temperature?

• glucose
• sodium chloride (salt)
• paraffin wax (candle wax)
• sucrose (table sugar)

Tags

NGSS.HS-PS1-3

Which of the following statements is FALSE about ionic compounds? They _____

• are weaker than covalent bonds
• have high melting and boiling points
• are thermal and electrical conductors
• are formed from a metal and a nonmetal

Tags

NGSS.HS-PS1-3

In which form of the ionic compound can it conduct electricity easily?

• as a vapor
• as a crystal
• when warmed slightly
• when dissolved in water

The following are characteristics of covalent compounds EXCEPT

• low melting points
• high boiling points
• poor thermal and electrical conductivity
• none of these

Tags

NGSS.HS-PS1-3