Flashcards in Exam 1 Lecture 3 Deck (19)
The weakest type of bond is called a(an) __________ bond.
A gain or loss of electrons forms a(an) __________.
__________ dissolve in water.
Bonds that share two or more electrons and have no charge are __________ bonds.
What are covalent bonds?
Bonds that share two or more electrons and have no charge.
__________ make or break chemical bonds.
What is Electronegativity?
An atoms affinity for electrons.
(Polar/Nonpolar) covalent bonds have unequal sharing of electrons.
_____ is essential for life and has the ability to form hydrogen bonds.
In water, O to H bonds are highly (polar/nonpolar).
True or False? Hydrogen Bonds are weak.
__________ is water to water.
_________ is water to other polar molecules.
Matter has __________ and occupies space.
All matter is composed of __________.
Atoms are composed of __________, __________ and __________.
Protons, Neutrons and Electrons
What are the four elements that make up 96.3% of the human body?
CHON (carbon, hydrogen, oxygen, and nitrogen)
There are 8 elements found in biological organisms in small concentrations, but are still very important. What is the name given to these elements?