Bonding and Structure

How many VALENCE ELECTRONS does Chlorine have?

• 2

• 7

• 8

• 10

• 17

Ionic bonds are formed when electrons get

• Shared between two atoms

• Removed from both atoms

• Transferred from one atom to another

• Added to both atoms

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

What is the correct formula for Sodium Chloride?

• SCl

• NaCl

• SC

• NaCl₂

Name this ionic compound: Al₂O₃

• Dialuminum oxide

• Aluminum oxygen

• Oxygen Aluminide

• Aluminum oxide

Write the chemical formula for K and Br (potassium bromide).

• KBr

• K₂Br

• KBr₃

• KBr₂

Write the chemical formula for Na and S (sodium sulfide).

• NaS

• S₂S₂

• Na₂S

• NaS₂

Metals (like Na) typically _____ electrons in the formation of ionic bonds.

• Gain

• Lose

• Keep the same

Nonmetals (like Cl) typically ____ electrons when they form ionic bonds.

• Gain

• Lose

• Keep the same

Magnesium Hydroxide is an ionic compound made up from Mg²⁺ and OH^- ions. Which is its correct formula?

• MgOH

• MgOH₂

• Mg(OH)₂

• MgO