Question | Answer |
Example of a polar molecule | water |
What is an Ionic bond? | One atom loses an electron and another atom gains that electron |
Give an example of a Ionic Bond. | Sodium and Chlorine combine to make Sodium Chloride. |
Two or more atoms combine to make a | Molecule |
which of the three is lighter; electrons, protons, or neutrons? | Electrons |
How do you figure atomic weight? | # or protons plus the # of neutrons in one atom |
What is a Covalent Bond? | When atoms share electrons |
What is reversible reaction? | when the chemical bond can both break down or form together again
A+B<-->AB |
What is synthesis reaction? | When a chemical structure is formed.
A+B-->AB |
What is an exchange reaction? | When chemical bonds are broken down and put together again in a different order.
AB + CD --> AD + CB |
Why study chemistry in anatomy and physiology? | It helps you understand how the physical body works. |
List the 4 organic chemical constitutes of a cell. | Carbohydrates, Lipids, Proteins, Nucleic Acids |
List the 4 inorganic chemical constitutes of a cell | Water, Oxygen, Carbon Dioxide, Inorganic Salts |
What is a decomposition reaction? | A chemical bond that has been broken down.
AB-->A+B |
What are organic molecules? | Contain carbon and hydrogen and are larger than inorganic molecules. |
Name a organic molecule. | Proteins |
Name a organic molecule.. | Lipids |
Name a organic molecule... | Carbohydrates |
What are electrolytes? | Substances that dissolve in water. |
What are the 3 forms of matter? | Solid, Liquid, Gas |
What are inorganic molecules? | May contain either hydrogen or carbon but not both elements in the same molecule. |
Name a inorganic molecule. | water |
Name a inorganic molecule.. | oxygen |
Name a inorganic molecule... | carbon dioxide |
What is an ion? | An atom that gains or loses electrons so that is has a full shell |
What is a shell? | Where the electrons are in the atom. |
Cation | Positively charged ion |
Anion | Negatively charged ion |
Isotopes | Atoms with the same # of protons and electrons but a different # of neutrons |