Why do bonds form?

• To fill the valence shell of electrons for the elements involved
• to release energy stored in the bonds
• because whenever you mix two chemicals, there will be a reaction
• because of attraction

Tags

NGSS.HS-PS1-4

What type of bond occurs between a metal and a non-metal element?

• Ionic
• Covalent
• Metallic
• Sliding-Pair

What type of bond occurs between a positive and a negative ion?

• Ionic bond
• covalent bond
• metallic bond
• p-n bond

What type of bond occurs when two or more elements share electrons?

• Ionic
• Covalent
• Metallic
• Caring

A substance which has a high melting point, conducts electricity when dissolved in water, and has a crystalline structure probably has what type of bond?

• Ionic
• Metallic
• Covalent
• Crystalline

Tags

NGSS.HS-PS1-3

What type of bond is present when electrons are freely shared between metal atoms?

• Metallic
• Ionic
• Covalent
• Hippie

What type of bond is illustrated above?

• Metallic
• Ionic
• Covalent
• Wiggly

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of bond is illustrated above?

• Covalent
• Metallic
• Ionic
• Oxygen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which statement best describes the energy change as bonds are formed and broken in this reaction?
      H₂ + Cl₂  ➔  2HCl

• The forming of the H-Cl bond releases energy
• The forming of the H-Cl bond absorbs energy
• The breaking of the H-H bond releases energy
• The breaking of the Cl-Cl bond releases energy

Tags

NGSS.HS-PS1-4

Which formula represents an ionic compound?

• CaCl₂
• CH₃OH
• CH₄
• H₂