Ionic Bonding Quiz- Mrs. Y

In the chemical formula for an ionic compound, which item is written first?

• positive ion (cation)

• negative ion (anion)

• subscript

Which is the correct name for CaBr₂?

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

Which is the correct formula for aluminum sulfide?

• AlS

• Al₃S₂

• S₃Al₂

• Al₂S₃

Tags

NGSS.MS-PS1-1

Metals tend to 

• gain electrons (form anions)

• lose electrons (form cations)

Tags

NGSS.HS-PS1-1

In an ionic bond, the ions are held together because...

• the ions have opposite charges

• electrons are being shared

Calcium fluoride has a chemical formula of CaF₂. What does the chemical formula tell you?

• There are 2 calcium ions for every 1 fluoride ion in the crystal

• There is 1 calcium ion for every 2 fluoride ions in the crystal

Tags

NGSS.MS-PS1-1

What is the oxidation number of O in CO₂?

• +2
• -1
• +4
• -2

The sum of all oxidation numbers (charges) in a neutral compound is ___.

• 0
• 1
• -1
• depends on the compound

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

Tags

NGSS.MS-PS2-3

The name of FeCl₂ is

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride