Types of Chemical Bonds

When forming an ionic bond, a metal atom

• Gains electrons to form a cation
• Loses electrons to form a cation
• Gains electrons to form an anion
• Loses electrons to form an anion

Tags

NGSS.HS-PS1-2

Which element can combine with oxygen to form a molecular compound?

• Fe
• Mg
• C
• Ne

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements has the weakest attraction for electrons in a chemical bond?

• S
• Cl
• O
• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The molecule shown in the diagram can best be classified as a

• polar covalent molecule
• nonpolar covalent molecule
• ionic compound
• nonpolar ionic compound

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The polarity of a bond between two elements can be best determined by

• The difference in electronegativity between the elements
• The difference in first ionization energy between the elements
• The number of electrons shared in the bond
• The difference in atomic radius between the elements

Which formula properly represents the compound iron (II) hydroxide?

• FeOH₂
• FeH₂
• Fe(OH)₃
• Fe(OH)₂

In the diagram shown, what is the total number of electrons shared in the bond between the two carbon atoms?

• 2
• 3
• 4
• 6

Tags

NGSS.HS-PS1-2

Which two substances are covalent compounds?

• C₆H₁₂O_{6 (s)} and KI _(s)
• KI _(s) and NaCl _(s)
• C₆H₁₂O_{6 (s)} and HCl _(g)
• NaCl _(s) and HCl _(g)

Which substance contains bonds that involve a transfer of electrons from one atom to another?

• CO₂
• NH₃
• KBr
• Cl₂

Which compound contains only covalent bonds?

• NaOH
• Ba(OH)₂
• Ca(OH)₂
• CH₃OH