Chemistry: Chapter 7 Final Notes Fri 01.14

Chemistry: Chapter 7 Final Notes Fri 01.14

By Jessica Arthur

Poll

What type of bond would form between nitrogen and oxygen

• covalent

• ionic

• metallic

Multiple Choice

What type of bond would form between silver and copper

• covalent

• ionic

• metallic

Multiple Choice

What type of bond would form between cesium and fluorine

• covalent

• ionic

• metallic

Multiple Choice

Ionic bonds form between metals and nonmetals due to their large different in

• ionization energy

• EN

• melting points

• states (of matter)

Fill in the Blank

Why do covalent (sharing) bonds form?

Fill in the Blank

What is the force that holds covalent bonds together?

Fill in the Blank

Most atoms want to have -?- VE.

Fill in the Blank

What is the rule called from the prior question? (Most atoms want to have -?- VE)

Fill in the Blank

Hydrogen wants to have how many electrons?

Open Ended

List the elements that are naturally diatomic (keep in mind you need to memorize and know these)

Fill in the Blank

What term describes the arrangement of particles in an ionic compound?

Multiple Choice

Predict the formula units of ionic compounds that form from Mg and Br

according to the number of valence electrons of each.

• $$MgBr$$  

• $$BrMg$$  

• $$Mg_2Br_{ }$$  

• $$MgBr_2$$  

Multiple Choice

Predict the formula units of ionic compounds that form from Al and Cl

according to the number of valence electrons of each.

• $$AlCl$$  

• $$ClAl$$  

• $$Al_3Cl$$  

• $$AlCl_3$$  

Multiple Choice

Predict the formula units of ionic compounds that form from Sr and F

according to the number of valence electrons of each.

• $$SrF$$  

• $$FSr$$  

• $$SrF_2$$  

• $$Sr_2F$$  

Multiple Choice

Predict the formula units of ionic compounds that form from Rb and I

according to the number of valence electrons of each.

•   $$RbI$$  

• $$IRb$$  

• $$Rb_3I$$  

• $$RbI_3$$  

Open Ended

Why did scientists decide to use the term electron sea theory?

Fill in the Blank

Why is bond polarity low in metallic bonds?

Fill in the Blank

An unknown solid substance has a high melting point, good insulator, and generally dense. It likely what type of compound?

Fill in the Blank

An unknown shiny solid substance has a high melting point, poor insulator, and generally dense. It likely what type of compound?

Open Ended

Compare the melting points of covalent, ionic and metallic bonds