Ionic Bonding

Ca²⁺ and N^3- create...

• Ca₂N₃
• Ca₃N₂
• CaN₃
• Ca₂N
  

Potassium and Sulfur create...

• KS

• KS₂

• K₂S

• K₂S₂

The formula of calcium and phosphate is

• CaPO₄

• Ca₂(PO₄)₃

• Ca₃PO₄

• Ca₃(PO₄)₂

The chemical formula of Iron (III) and bromine is

• FeBr

• Fe(III)Br

• FeBr₃

• Fe₂Br₃

Fe ⁺²  and  SO₄ ^-2

• FeSO₄
• Fe₄(SO₄)₂
• FeSO₂
• correct answer is not given

Which of the following could NOT form an ionic compound? Check all that apply.

• Li⁺ and Cl^-

• F^- and O^2-

• Ba²⁺ and Ag⁺

• Mg²⁺ and S^2-

Which of the following could form an ionic compound? Check all that apply.

• Na⁺ and F^-

• S^2- and O^2-

• Ca²⁺ and Fe³⁺

• Mg²⁺ and Cl^-

In an ionic bond, the ions are held together because...

• the positive nucleus of each ion attracts the other ion's negatively charged electrons

• the ions have opposite charges

• as the electron moved from one atom to another it pulled the atom along with it

• electrons are being shared

Which element(s) will lose valence electrons to form an ion? Check all that apply.

• Phosphorus

• Iron

• Barium

• Neon

Which element(s) will form negative ions? Check all that apply.

• Potassium

• Sulfur

• Iodine

• Magnesium