What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1

Tags

NGSS.HS-PS1-1

What is the charge on a chloride ion?

• -1
• 1
• +2
• +1

Tags

NGSS.HS-PS1-1

A(n) _________ is an ion with a positive (+) charge.

• anion
• cation
• ion
• solute

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

Tags

NGSS.MS-PS1-1

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

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What will be the compound name of the following chemical formula?
NaCl

• Potassium Chloride
• Sodium Chloride
• Calcium Chloride
• Sodium Chlorine

Tags

NGSS.MS-PS1-1

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine

What is the formula of calcium oxide?

• CaO₂
• CaO
• Ca₂O
• CO

Tags

NGSS.MS-PS1-1

What would be the proper chemical formula for combining Al³⁺ and Cl^- :

• AlCl₃
• Al₃Cl
• AlCl
• Al₃Cl₃

Tags

NGSS.MS-PS1-1