Chapter 1 and 2-BIO116

​ Atomic mass = ​ (a)   + ​ (b)  

• protons
• neutrons
• electrons

Match the subatomic particle to the proper charge

• +

• Protons

• 0

• Electrons

• -

• Neutrons

Which is not one of the properties of water?

• Cohesion

• Density

• Moderation of Temperature

• low specific heat

Match the chemical bond to the proper definition

• 1. Electrons between atoms are shared

• Hydrogen Bonds

• electrons are transferred

• Ionic Bonds

• molecules are held together by hydrogen

• Covalent Bonds

Electrons in nonpolar covalent bonds orbit ​both atoms ​ (a)   while in polar covalent bonds electrons are shared ​ (b)   .

• equally
• unequally

If an atom normally has 11 protons and 11 electrons, and ends up giving up an electron, it now has become a what?

​ (a)   has stronger hydrogen bonds than ​ (b)  

• Ice
• water

• Building blocks of matter are called what?

What is the smallest structural and functional unit of an organism

• cell

• atom

• matter

• tissue

a group of similar cells that perform a particular function is called a what?