Chemical Bond Introduction

In which of these are the atoms held together by an ionic bond?

• Br₂

• H₂O₂

• CaS

• CO

Covalent bond forms between....

• Nonmetals

• Metals

• Nonmetal and a Metal

• Metal and a Nonmetal

Ionic bonds are usually formed between two nonmetals.

• True

• False

Ionic Bonding involves...

• The transfer of protons

• The transfer of nuetrons

• The transfer of electrons

Which type of bond has an unequal sharing of electrons?

• Polar Covalent

• Non Polar Covalent

• Ionic

• Metallic

Which of these covalent bonds would be the strongest?

• C − O

• C ≡ O

• C = O

• they have the same strength

Which of these covalent bonds would be strongest?

• S − F

• S − Cl

• S − Br

• S − I

When bonds are broken, energy is....

• absorbed; Breaking bonds is endothermic.

• released; Breaking bonds is exothermic.

Tags

NGSS.HS-PS1-4

Which of the following is NOT a characteristic typical of ionic compounds?

• High melting point

• Conducts electricity when dissolved in water

• Hard, crystalline solids

• Low boiling points

Tags

NGSS.HS-PS1-3

Which type of material usually involves atoms sharing a "sea of electrons"

• ionic

• Covalent

• Metallic