Regents Chemistry Making Breaking Bonds

Are the atoms more stable when they are bonded together or when they are apart? 

• Bonded Together
• Apart

Tags

NGSS.HS-PS1-3

Ionic Bonding involves...

• The transfer of protons
• The transfer of nuetrons 
• The transfer of electrons
• None Of the above

What type of bond is said to have a sea of mobile electrons?

• Metallic

• Ionic

• Covalent

• Hippie

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 occurs when two or more elements share electrons?

• Ionic
• Covalent
• Metallic
• Caring

Which compound has the weakest polar bonds?

• HI

• HBr

• HCl

• HF

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

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

Tags

NGSS.HS-PS2-4

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

A solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely?

• ionic, because the valence electrons are shared between atoms
• covalent, because the valence electrons are mobile
• metallic, because the valence electrons are stationary
• metallic, because the valence electrons are mobile

Tags

NGSS.HS-PS1-3

Which formula represents an covalent compound?

• CO₂
• Ag
• FeCl₃
• Cs₃P