ionic KBr example

The metal is ​ (a)  

The non-metal is ​ (b)  

• K
• Br

I predict K and Br are joined by ...

• ionic bonding

• covalent bonding

• metallic bonding

• hydrogen bonding

K has​ (a)   outer electron

Br has ​ (b)   outer electrons

• 1
• 7
• 6
• 8
• 4
• 5
• 2
• 3

K ​ (a)   electrons

Br ​ (b)   electrons​

• gives
• takes

K becomes a ​ (a)  

Br ​becomes a ​ (b)  

• positive ion
• negative ion
• neutral ion

KBr is held together by ...

• covalent bonding

• electrostatic attraction

• magnetism

KBr contains ...

• Cations (+) only

• Anions (-) only

• Both Cations (+) & Anions (-)

• no ions

KBr looks like ...

• 
• 
• 

KBr is ....

• a giant crystal lattice

• a molecule

At room temperature, KBr is ....

• solid

• liquid

• gas