Ionic

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

The negative ions tend to _____________ electrons.

• lose

• gain

Tags

NGSS.MS-PS1-2

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

• positive ion

• negative ion

• subscript

• the female

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.

Which properties are all characteristics of ionic compounds?

• solids with high melting and boiling points

• soft solids which are highly malleable

• when solid, the ions are held in place so the compounds cannot conduct electricity

• conduct electricity when dissolved or molten

Tags

NGSS.HS-PS1-3

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why do ionic compounds NOT conduct electricity when they are in their solid state?

• Their ions are free to move.

• Their ions are held in fixed positions.

• Their electrons are free to move

• Their electrons are held in a fixed state

Tags

NGSS.MS-PS1-1