Bonding

What type of bond forms when 2 or more electrons are SHARED?

• Covalent bond
• Incomplete bond
• Ionic bond
• Metallic bond

What type of bond forms between two or more atoms that are charged (+/-) from the exchange of electrons?

• Covalent bond

• Incomplete bond

• Ionic bond

• Metallic bond

Tags

NGSS.HS-PS1-3

Which of the following is an example of an IONIC COMPOUND?

• NaCl
• H₂O
• CO₂
• NO

Tags

NGSS.HS-PS1-2

Which of the following is an example of a COVALENT COMPOUND?

• H₂S
• KI
• CaCl₂
• MgO

Tags

NGSS.MS-PS1-1

Ionic bonds are between _______ and ________. 

• nonmetals and nonmetals 
• metals and metals 
• metals and nonmetals
• none

Tags

NGSS.HS-PS1-2

How does a positively charged ion form?

• An atom loses an electron
• An atom gains an electron
• An atom gains a proton
• An ionic compound dissolves

Tags

NGSS.HS-PS1-2

Atoms want

• A full outer shell of electrons

• An empty outer shell of electrons

• A stable nucleus with the right proportion of protons to neutrons.

• To shed any unnecessary electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is a characteristic property of ionic compounds?

• They form hard, brittle crystals with characteristic shapes
• They have low melting points
• They have low boiling points
• They contain no charged particles

Tags

NGSS.HS-PS1-3

The bonds in Na₂O are best described as 

• a.  covalent, because valence electrons are shared.
• covalent, because valence electrons are transferred
• ionic, because valance electrons are shared.
• ionic, because valance electrons are transferred. 

Tags

NGSS.HS-PS1-3