What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1

Tags

NGSS.HS-PS1-1

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What formula results when Ca⁺² and Br^- ions bond?

• Ca₂Br₂
• CaBr
• Ca(br)₂
• CaBr₂

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
Al³⁺  O^2-         

• AlO
• Al₂O₃
• Al₃O₆
• Al₃O₂

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF
• NaF₃
• Na₃F
• Na₁F₂

Tags

NGSS.MS-PS1-1

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

• CrO
• Cr₃O₂
• Cr₂O₃
• CrO₃

Tags

NGSS.MS-PS1-1

How do the following two elements bond together?
K¹⁺  S^2- 

• KS
• K₈S
• K₆S₃
• K₂S

Tags

NGSS.MS-PS1-1

The chemical formula for an ionic compound of potassium and oxygen is

• KO.
• K₂O.
• K₂O₂.
• KO₂.

Tags

NGSS.MS-PS1-1

What is the formula for the compound formed by magnesium ions and nitrogen ions?

• MgN
• Mg₂N₃
• Mg₃N₂
• MgN₃

Tags

NGSS.MS-PS1-1

Ba ⁺³ and  Cl^-

• Ba₃Cl
• Ba₃Cl₃
• BaCl₃
• BaCl

Tags

NGSS.MS-PS1-1