Ionic Bonding 2

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

• positive ion
• negative ion
• subscript
• the female

Tags

NGSS.MS-PS1-1

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

Which is the correct name for CaBr₂? Show the ions on separate sheet of paper.

• Calcium Bromine

• Bromine Calcium

• Calcium Bromide

• Carbon and Bromine

What is the formula of Sodium oxide? Show the ions on a sheet of paper.

• Na2O

• NaO₂

• Na₂O₂

• Na₂O

What is the formula of calcium oxide?

• CaO₂
• CaO
• Ca₂O
• CO

Tags

NGSS.MS-PS1-1

What is the formula for magnesium phosphide? Show the ions on a sheet of paper.

• Mg₃P₂

• Mg₂P₃

• Mg₂(PO₄)₃

• Mg₃(PO₄)₂

Write the formula for barium + nitrogen. Show the bonding using Lewis diagram on a seprate sheet of paper.

• Ba₂N₃

• Ba₃N₂

• BaN

• BaN₃

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

• AgBr

• silver bromide

• Ag₂Br₂

• gold bromide

What is the formula for Zinc (II) nitride? Show your work by writing the ions.

• Zn₃N₂

• ZnN₂

• Zn₃N

• Zn₂N₃

If copper (II) and phosphate bond together, the resulting chemical formula would be: Show your work by showing formulas of ions.

• Cu₂(PO₄)₃

• CuPO₄

• Cu₃(PO₄)₂

• Cu₃PO₄