ionic bonds and naming ionic compounds

When Aluminum forms an ion what will be its charge?

• 3-

• 3+

• 2+

• 1-

When Oxygen forms an ion, what will its charge be?

• 2-

• 1-

• 2+

• 1+

What is the charge of Neon?

• 0

• +1

• -1

• 1

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

Tags

NGSS.HS-PS1-1

_________ are ions with a positive (+) charge.

• anions

• cations

• nonmetals

• crystals

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

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

• positive ion
• negative ion
• subscript
• the female

A charged particle that has gained at least one electron is called a(n) _____.

• Anion
• Cation
• Anonion
• chemistry cat

Which is the correct name for CaBr₂?

• Calcium Bromine

• Bromide of Calcium

• Calcium Bromide

• all of these names are correct

Which types of elements become cations with variable charges?

• nonmetals

• Group I and II metals

• some transition metals

• Group II metals