2. Fill in the blanks: An Mg2+ ion ___ _ electrons.
10 points
Clear selection
3. Which electron structure correctly represents a sodium ion?
10 points
Clear selection
4. Which statement correctly describes an ionic bond?
10 points
Clear selection
5. Fill in the missing words: An ionic compound can be modelled using a ___ and ___ diagram. (You a answer should have a comma between the two words. Eg. chemistry, test)
10 points
Your answer
6. Fill in the missing words: Ionic compounds are arranged in a ___ way. This arrangement is called a giant ionic ___. (Your answer should have a comma in between the two words. Eg. chemistry, test)
10 points
Your answer
7. Fill in the blanks. A covalent bond is a ___ shared pair of electrons. (Answer should not include capital letters)
10 points
Your answer
8. Tick the substance that is not a covalent structure.