Ionic Bonding

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide

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

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

Which of the following elements does NOT have an oxidation number of +2?

• Ca
• Sr
• K
• Ba

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• molecule
• ion
• isotope
• element

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

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

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What determines ionic bonds to form?

• Number of protons
• Mass of the atom
• Number of total electrons
• Number of valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds consist of the ____ of valence electrons.

• sharing
• transfer

What is the formula of Sodium oxide?

• Na2O
• NaO₂
• Na₂O₂
• Na₂O