Chemical Bonding - Ionic

Elements in Group 1 lose one electron to form ions with a _________________ charge.

• 1+
• 2+
• 0
• 1-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• Anion
• Cation
• Anonion
• chemistry cat

What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1

Tags

NGSS.HS-PS1-1

How many valence electrons does calcium have?

• 2
• 4
• 6
• 7

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

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

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

What is the formula of sodium oxide?

• Na2O

• NaO₂

• Na₂O₂

• Na₂O