End Of Quarter 3 Test

How do covalent bonds form?

• Donating & receiving valence e- between atoms.

• Opposite slight charges attract each other between compounds.

• Scientists are still not sure how they form.

• Sharing valence e- between atoms.

What two types of atoms make a covalent bond?

• 2 Nonmetals

• 1 Nonmetal and 1 Metal

• 2 Metals

• 2 Noble Gases

Which of the following is NOT considered a diatomic element?

• Carbon

• Nitrogen

• Chlorine

• Iodine

Name the following compound:

N₂O₄

• dinitrogren tetroxide

• tetranitrogen dioxide

• nitrogen oxide

• dinitrogen tetraoxygen

Name the following compound: 
CCl₄

• monocarbon quadchloride

• carbon tetrachloride

• carbon chloride

• monocarbon quadchloide

tetraphosphorus heptoxide

• K₄O₁₀

• P₄O₇

• KO

• P₁₀O₄

In the formation of a covalent bond, electrons are

• shared

• transferred

• lost

How many lone pairs are in this molecule?

• 1

• 2

• 3

• 4

Which of the following is an ionic compound? (metal + nonmetal)

• CO

• NH₄

• NaCl

• CCl₄

Is this an ionic or covalent compound?

• Ionic

• Covalent