Chemistry Ionic Formula Review

Calcium reacts with Phosphorus to form an ionic compound. How many electrons does Calcium lose?

• 1 e-

• 2 e-

• 3 e-

• 4 e-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Calcium reacts with Phosphorus to form an ionic compound. How many electrons does Phosphorus gain?

• 1 e-

• 2 e-

• 3 e-

• 4 e-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Calcium reacts with Phosphorus to form an ionic compound. What is the charge of the Phosphide ion?

• 1-

• 2-

• 3-

• 4-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Calcium reacts with Phosphorus to form an ionic compound. What is the charge of the Calcium ion?

• 1-

• 2-

• 1+

• 2+

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Calcium reacts with Phosphorus to form an ionic compound. What is the name of the compound formed?

• Phosphorus Calcide

• Phosphide Calcium

• Calcium Phosphorus

• Calcium Phosphide

• They're all the same.

Calcium reacts with Phosphorus to form an ionic compound. What is the formula of the compound formed?

• Ca₂P₂

• Ca₃P₂

• Ca₂P₃

• Ca₃P₃

• Ca₂P₄

Tags

NGSS.HS-PS1-2

Magnesium reacts with Phosphorus to form an ionic compound. What is the formula of the compound formed?

• Mg₂P₂

• Mg₃P₂

• Mg₂P₃

• Mg₃P₃

• Mg₂P₄

Tags

NGSS.HS-PS1-2

Calcium reacts with Nitrogen to form an ionic compound. What is the formula of the compound formed?

• Ca₂N₂

• Ca₃N₂

• Ca₂N₃

• Ca₃N₃

• Ca₂N₄

Tags

NGSS.HS-PS1-2

Just like Nitride and Phosphide ions, the Phosphate ion (PO₄) has a charge of 3-. What is the formula of Calcium Phosphate?

• Ca₂(PO₄)₂

• Ca₃(PO₄)₂

• Ca₂(PO₄)₃

• Ca₃(PO₄)₃

• Ca₂(PO₄)₄

What is the formula of Sodium Phosphate?

• Na₂(PO₄)₂

• Na₃(PO₄)₂

• Na₂(PO₄)₃

• NaPO₄

• Na₃PO₄