Ionic bonding

Ionic compounds are formed between _____

• metals and nonmetals

• two metals

• two nonmetals

• metalloids

How does oxygen form a bond?

• It gives away 2 electrons

• It takes two electrons

• It gives away 4 electrons

• It takes 6 electrons

Tags

NGSS.HS-PS1-2

How does calcium (Ca) form a bond?

• It takes 2 electrons

• It takes 6 electrons to have a full shell

• It gives up 2 electrons

• It does not form bonds

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are the correct symbols for the ions in this bond?

• Li ⁺¹ S^-2 Li ⁺¹

• Li ^-1 S⁺² Li ^-1

• Li ⁺² S ^-2

• Li ⁺ S ^-2 Li ⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Describe the melting points of ionic compounds.

• high

• low

• they do not melt because they are gases at room temperature

Tags

NGSS.HS-PS1-3

Describe the electrical conductivity of ionic compounds.

• Ionic solids are good conductors of electricity.

• Ionic compounds conduct electricity if they are melted or dissolved in liquid.

• Ionic compounds are poor conductors of electricity.

In what state of matter are ionic compounds at room temperature?

• solids

• liquids

• gases

Tags

NGSS.HS-PS1-3

Which symbol correctly shows sulfur when it forms an ion?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which symbol correctly shows an aluminum ion when it forms a bond?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

When boron (B) forms a bond, does it become a cation or an anion?

• cation

• anion

Tags

NGSS.HS-PS1-2