Ionic Bonds and Ionic Substances

At room temperature, are ionic compounds solids, liquids or gases? Justify your answer.( click 2 boxes)

• solids

• liquids

• gases

• Room temperature is lower than the melting points of ionic compounds.

• Room temperature is higher than the boiling points of ionic compounds.

Tags

NGSS.MS-PS1-4

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.

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NGSS.HS-PS2-4

Why do ionic compounds conduct electricity when they are molten or dissolved?

• Their ions are free to move.

• Their ions are held in fixed positions.

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NGSS.MS-PS1-2

True or false? Ionic compounds have low boiling points.

• true

• false

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NGSS.HS-PS1-3

True or false? Ionic compounds conduct electricity when they are in their solid state.

• true

• false

Which two compounds are ionic?

• compound A

• compound B

• compound C

• compound D

• compound E

What is an ionic bond?

• A bond formed by the sharing of electrons between atoms

• A bond formed by the transfer of electrons from one atom to another

• A bond formed by the sharing of protons between atoms

• A bond formed by the transfer of protons from one atom to another

Tags

NGSS.MS-PS1-5

Which of the following compounds is an example of an ionic substance?

What is the charge on the sodium ion in sodium chloride (NaCl)?

• +1

• -1

• +2

• -2

Which of the following properties is characteristic of ionic compounds?

• High melting and boiling points

• Low melting and boiling points

• Poor electrical conductivity in molten state

• High electrical conductivity in solid state