Semester 2- Cycle 2 9th Week Exam ( Reviewer)

Ionic Bonding involves...

• The transfer of protons

• The transfer of nuetrons

• The transfer of electrons

• None Of the above

What do atoms that form positive ions tend to do?

• Tend to lose electrons 
• Tend to lose protons
• Tend to gain electrons
• Tend to gain protons

What happens when the sodium atom loses an electron?

• It become negatively charged 
• It become positively charged
• none

What usually forms the negative ion?

• nonmetals
• metal
• none

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Predict the bond that will form between Be and F.

• Ionic
• Covalent

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

What is the number of valence electrons for Silicon?

• 1
• 2
• 6
• 4

How many valence electrons in this structure?

• 6
• 5
• 4
• 7