Ionic Bonding

Which of the following is NOT a property of ionic compounds?

• They conduct electricity when molten

• They conduct electricity when in solution

• They have high boiling points

• They are insoluble in water

In the chemical formula for an ionic compound, which item is written first?

• cation

• anion

• subscript

• the female

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Tags

NGSS.MS-PS1-1

In what form can an ionic compound conduct electricity?

• when dissolved in water
• as a solid
• as a crystal
• when warmed slightly

Which is the correct name for CaBr₂?

• Calcium Bromine

• Bromine Calcium

• Calcium Bromide

• Carbon Bromide

What is the formula of Sodium oxide?

• Na2O
• NaO₂
• Na₂O₂
• Na₂O

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms

Tags

NGSS.HS-PS1-2

What is the formula for magnesium phosphide?

• Mg₃P₂
• Mg₂P₃
• Mg₂(PO₄)₃
• Mg₃(PO₄)₂

Write the formula for barium + nitrogen

• Ba₂N₃
• Ba₃N₂
• BaN
• BaN₃

Tags

NGSS.HS-PS1-2

Write the correct chemical formula for Ag ⁺  and  Br ^-

• AgBr
• silver bromide
• Ag₂Br₂
• gold bromide

Tags

NGSS.HS-PS1-2