Atoms, Elements, and Compounds
Organized into horizantal rows, called periods and vertical columns, called groups
What is the Periodic Table?
The two parts to a chemical equation
What is the reactants and products ?
Combination of two or more substances
What is a mixture ?
Large molecules that are formed by joining smaller organic molecules together
What is macromolecules?
Milk and Fog are examples of this
What is a Colloid?
Has 11 protons and 11 neutrons in its nucleus
What is Sodium?
The key to starting a chemical reaction
What is energy?
A covalent bond that has an unequal distribution of charges
What is a Polar Molecule?
The four major categories that biological macromolecules are divided into
What is Carbohydrates, Lipids, Proteins, and Nucleic acids
The pH level of acid in our stomach
What is 2?
The force of a pencil is an example of this
What is Van Der Waals Forces?
The flame of a match provides this type of energy
What is activation energy?
Creates proteins that we need as humans
What is a hydrogen bond?
Joins amino acids together
What is peptide bonds ?
Never a whole number
What is the Atomic weight?
The process that changes a chlorine atom into a chloride ion
What is electron gain?
Influences enzyme activity
What is temperature and acidity?
Forms when an acid reacts with a base
What is Water and Salt?
A nucleotide with three phosphate groups
What is adenosine triphospahte (ATP)?
The purpose of the substrates binding to enzymes
What is it helps speed up the reaction?
The factor determines that an oxygen atom can form 2 covalent bonds while a carbon atom can form 4?
What is the number of electrons in its outermost energy level?
This equation balanced:
CH4 + O2 --> CO2 + H2O
What is CH4 + 2O2 --> 2H2O2 ?
Keeps the pH in a cell within the 6.5 to 7.5 pH range
What is Buffers?
Reason that humans cant digest carbohydrates
What is some are complex structures like cellos?
Two types of nucleic acids
What is DNA & RNA ?