Chemical Bonds

November 9, 2020

Open Ended

What two assignments are due TODAY by 9pm? If you don't know, where should you go to check?

Multiple Choice

The reason why a paperclip can float on water is due to

• water's density

• water's high surface tension

• water's ability to freeze

• capillary action

Fill in the Blank

Oil and water do not mix because oil is __________ (*Hint: it's a greek word!)

Multiple Choice

Look at the image on this slide. Oxygen has a special symbol above it. What does that symbol mean?

• oxygen loves electrons, making it slightly negative

• hydrogen loves electrons, making it slightly negative

• water has no electrical charge at all and is a completely neutral molecule

Multiple Choice

Which end of the water molecule has a slightly positive charge?

• the oxygen end

• the hydrogen ends

• the whole molecule is positively charged

• neither end is positive

Multiple Choice

Which type of bond exists between two charged (+/-) atoms?

• covalent

• ionic

• hydrogen

• van der Waals

Multiple Choice

Which type of bond exists between a hydrogen atom and either: Nitrogen, Oxygen, or Fluorine?

• Covalent Bond

• Ionic Bond

• Hydrogen bond

• Van Der Waals