Ionic Compound Review

What is the formula for Potassium Iodide?

• KI
• K₂I
• KI₂
• K(II)I

What is the formula for Lithium Oxide?

• Li₂O₃
• LiO₂
• LiO
• Li₂O

Tags

NGSS.MS-PS1-1

Name the compound: BeCl₂

• Beryllium Chloride
• Beryllium Dichloride
• Beryllium (II) Chloride
• Beryllium Chlorine

What is the formula for sodium chloride?

• NaCl₂
• NaCl
• Cl₂Na
• ClNa

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
Cr³⁺  O^2-         

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of the ionic compound K₃N?

• potassium nitride

• potassium (III) nitride

• potassium (I) nitride

• potassium nitrogen

• potassium⁺³ nitride^-1

Tags

NGSS.MS-PS1-1

What charge will barium (Ba) form when becoming an ion?

• 6+

• 6-

• 2+

• 2-

• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does sulfur have?

• 2

• 6

• 16

• 3

• 7

In the ionic compound, Ca₃N₂, what does the 2 indicate?

• Nitrogen has a -2 charge

• Nitrogen has 2 valence electrons

• Calcium has a -2 charge

• There is a 3:2 ratio - the 2 indicates the number of nitrogen ions

• There is a 3:2 ratio - the 2 indicates the number of calcium ions

When writing the formula for an ionic compound - which of the following rules must be followed? (YOU MAY SELECT MORE THAN ONE ANSWER)

• The cation (metal) must be written first

• The anion (nonmetal) must be written first

• The number 1 cannot be written as a subscript

• You should not reduce subscripts