22 - BONDING OF IONIC COMPOUNDS

Ionic bonds are formed between...

• Non - metals

• A metal and a non-metal

• Metals

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

An example of an ionic compound is Sodium Chloride, which is made from Na⁺ and Cl^- ions. Why do these ions form an ionic bond?

• They have like charges

• They are from the same group

• They are from the same period

• They have opposite charges

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

Which of the following is true for ionic bonding & ionic compounds? (3 correct statements)

• They must be made of ions with like charges.

• The negative ion must be written first.

• Compounds must have an overall charge of zero.

• They are made of metals and nonmetals.

• The positive ion must be written first.

What properties does an ionic compound have?

• A low boiling point and it conducts electricity when dissolved in water

• A high melting point and it conducts electricity when molten or dissolved

• A high boiling point and it conducts electricity when solid

Match the following to form true statements:

• between ions in an ionic compound.

• When melted ionic compounds

• high melting and high boiling points

• There are many strong bonds

• with a charge of 1+

• Ionic compounds have

• cannot conduct electricity

• When solid, ionic compounds

• can conduct electricity

• Elements in group 1 of the periodic table form ions

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