Ionic and Covalent Bonds and Balancing Equations

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.HS-PS1-1

Nitrogen will ____ electrons when forming an ionic bond.

• gain 1
• lose 1
• gain 3
• lose 3

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic Bonding involves...

• The transfer of protons
• The transfer of nuetrons 
• The transfer of electrons
• None Of the above

What is the charge on a Hydrogen ion?

• +1
• 1
• 2

What is the charge on an Aluminium ion?

• 3
• +3
• +2
• +1

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Tags

NGSS.HS-PS1-3

How do the following two elements bond together?
K¹⁺  S^2- 

• KS
• K₈S
• K₆S₃
• K₂S

Tags

NGSS.HS-PS1-2

Which of the following is an ionic compound:

• NH₄
• I₂
• RbBr
• CO

Tags

NGSS.HS-PS1-3

What is the ionic compound formed between LI and N?

• Li₃N
• Li₂N₂
• Li₃N₂
• _LiN3