Ions and Ionic Bonding

Which of the below is an ionic compounds?

• Ni

• MgCl₂

• H₂O

• CH₄

How is an ionic bond formed?

• Sharing of electrons

• Delocalised electrons

• Transfer of electrons

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

• positive ion

• negative ion

• subscript

• the female

Lead Chloride is an ionic compound, made up from Pb²⁺ ions and Cl^- ions. Which is the correct formula for this compound?

• PbCl₃

• PbCl

• PbCl₄

• PbCl₂

Tags

NGSS.MS-PS1-1

Sodium Oxide is Na₂O. Meaning there are 2 Na present for every O in the ionic compound. As the Oxygen ion has a charge of -2, what charge does each Sodium ion have?

• -1

• -2

• +2

• +1

Is this ionic bond drawn correctly?

• Yes

• No

Tags

NGSS.MS-PS1-5

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

• polyatomic

Negative ions form when atoms _________ valence electrons.

• lose

• gain

• share

Barium atoms want to form...

• an anion

• a cation

• an onion

• a cuddly kitten friend

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An Arsenic atom wants to form...

• An anion

• A cation

• An onion

• A cuddly kitten friend

Tags

NGSS.MS-PS1-5