Formative 3BD: Ionic Bonds

What is the formula for the compound formed when a potassium ion (K⁺) and a sulfide ion (S^2-) unite?

• KS

• K₂S

• KS₃

• KS₂

What is the product when a reaction takes place between nitrogen and magnesium?

• Mg₂N₃

• Mg₃N₂

• Mg₃N₆

• N₂Mg₃

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

The compound gallium iodide, is often used in creating crystals for computer chips.  Which of the following best describes the chemical formula of gallium iodide?

• GaI

• Ga₃I

• Ga₂I₃

• GaI₃

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

• 1

• 8

• 6

• 4

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

What is the correct name for the chemical formula SrCl₂?

• Strontium Chlorine

• Strontium Dichloride

• 
  Strontium Chloride

• Monostrontium Dichloride

Selenium is atomic number 34. What would the oxidation number/charge be of an ion of Selenium when it forms an ionic bond?

• -2

• -6

• -16

• -34

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

How would you correctly write the formula for beryllium nitride?

• BeN

• Be₂N₃

• Be₃N₂

• NBe

What is the name of the compound BaCl₂?

• barium chloride

• dibarium chloride

• barium chlorate

• dibarium dichloride

What is the chemical name for NaCl?

• sodide chlorite

• sodite chlorine

• sodium chlorine

• sodium chloride

What would be the chemical formula for magnesium fluoride?

• MgF

• Mg₂F

• MgF₂

• Mg₁₂F₉

Tags

NGSS.HS-PS1-2