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Basic Chemistry

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
The parts of an atom   Proton, Neutron, and Electron  
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Neutrally charged particle of an atom   Neutron  
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Positively charged particle of an atom   Proton  
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Negatively charged particle of an atom   Electron  
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The particles contained in the atom's nucleus   Protons and Neutrons  
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The particles in the outer shell of an atom   Electrons  
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First outer shell of an atom can contain ____ electrons   two  
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The second outer shell of an atom can contain ____ electrons   eight  
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The third outer shell of an atom can contain ____ electrons   eight  
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Non-ion atoms are _________ charged   neutrally  
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Atomic number is equal to the number of   protons  
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Atomic weight is the average mass of   protons + neutrons  
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Substances made up of one type of atom is called an   element  
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Two or more atoms bonded together is called a   Molecule  
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H stands for   Hydrogen  
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C stands for   Carbon  
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N stands for   Nitrogen  
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O stands for   Oxygen  
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Na stands for   Sodium  
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Mg stands for   Magnesium  
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K stands for   Potassium  
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Ca stands for   Calcium  
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Cu stands for   Copper  
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Zn stands for   Zinc  
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P stands for   Phosphorus  
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S stands for   Sulfur  
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Cl stands for   Chlorine  
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Fe stands for   Iron  
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I stands for   Iodine  
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The connection of two or more atoms is called a   Bond  
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A force or attraction between positive and negative electrical charges that keeps two or more atoms closely associated with each other to form a molecule   Chemical Bond  
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A bond formed by sharing electrons   Covalent Bond  
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A bond formed by the loss of one or more electrons by one atom and the gain of the electrons by another atom   Ionic Bond  
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A charged atom is called-   an Ion  
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Ions with a positive charge   Cations  
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Ions with a negative charge   anions  
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An aqueous solution is   Water  
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The break up of molecules in an aqueous solution is called   Ionization  
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Ionization is also called   Dissociation  
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A covalent bond formed between two atoms of sulfur   Disulfide Bond  
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When Hydrogen is covalently bonded to another atom it has a slightly positive charge allowing it to form __________bonds   Hydrogen Bonds  
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The chemical reaction that requires energy and bonds molecules to one another to make a new compound   Synthesis  
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The chemical reaction that breaks bonds and releases energy is called   Decomposition  
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Water is considered a solvent because   Solutes dissociate in water  
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A lubricant reduces   Friction  
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Intracellular Fluid (ICF)   Water within cells  
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Extracellular Fluid (ECF)   Water outside the cell  
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Water found in blood vessels is called   Plasma  
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Water found in Lymphatic vessels is called   Lymph  
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Interstitial Fluid   Water found between cells  
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Synovial Fluid, Cerebrospinal Fluid, Aqueous Humor are all examples of   Specialized Fluids  
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The biological useful energy that is released by the reactions of cell respiration is called   ATP (Adenosine triphosphate)  
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This element is important in cell respiration   Oxygen  
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The waste product of cell respiration   Carbon Dioxide (CO2)  
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Energy production within cells is called   Cell Respiration  
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The necessary substances needed in very small amounts in the body are called   Trace Elements  
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A substance that increases the concentration of H+ ions in water   Acid  
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A substance that decreases the concentration of H+ ions in water   Base (Alkaline)  
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Has the effect of increasing OH- ions in water   Base (Alkaline)  
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pH stands for   Parts Hydrogen  
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This number is neutral on the pH scale   Seven  
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The numbers below seven on the pH scale are considered   Acids  
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The numbers above seven on the pH scale are considered   Bases or Alkalines  
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The range of pH for blood is   7.35-7.45  
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The chemical or pair of chemicals that minimize changes in pH   Buffer System  
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Must contain Carbon AND Hydrogen   Organic Compounds  
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The four major organic compound groups are   Carbohydrates, Lipids, Proteins, and Nucleic Acids  
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Carbohydrates are a main _________ _________ in the body   Energy source  
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Carbohydrates are sugars classified as   Monosaccharides, disaccharides, oligosaccharides, and polysaccharides  
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A monosaccharide are also called   Simple sugars such as Glucose, fructose, and galactose. Containing only one sugar carbohydrate  
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A disaccharide is a _________-sugar carbohydrate   Double  
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A Oligosaccharide contains ___-___ sugars linked by covalent bonds   3-20  
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Antigens are   Markers on cell membranes  
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A polysaccharide is ____________ sugar molecules   Many or Thousands  
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Starches are glucose storage in   Plants  
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The form of glucose storage in animals is called   Glycogen  
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Fiber is another name for   Cellulose  
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Lipids are also called   Fats  
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The three types of lipids are   True fat, phospholipids, and steroids  
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True fats contain 1, 2, or 3 fatty acids and a __________ molecule   Glycerol  
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A monoglyceride is a glycerol with __ fatty acid   One  
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A Diglyceride is a glycerol with ___ fatty acids   Two  
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A Triglyceride is a glycerol with ___ fatty acids   Three  
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A True fat with all carbons bonded to the maximum number of hydrogens is considered to be   A saturated fat  
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A saturated fat is _______ at room temperature   Solid  
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A saturated fat usually comes from _______ fats   Animal  
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A true fat with one or more carbons double bonded is considered to be   Unsaturated  
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Unsaturated fats are _______ at room temperature   Liquid  
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An unsaturated fat usually comes from _______ fats   Plant  
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An unsaturated fat that is converted to saturated is called   Hydrogenated or trans fats  
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This kind of fat has been linked to atherosclerosis   Hydrogenated/trans fats  
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Diglycerides with a phosphate group attached in the 3rd bonding site are called   Phospholipids  
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Phospholipids are the structural component of the ________ and also in ________ around nerve cells   Cell membrane, myelin  
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Estrogen, Progesterone, and Testosterone are examples of   Steroids  
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Steroids are made from   Cholesterol  
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Cholesterol is converted to ________ in the liver   Bile salt  
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Cholesterol is required for your body to produce __________ in the skin with UV light   Vitamin D  
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Amino Acids are what make up   Proteins  
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There are __ amino acids   20  
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Amino acids are bonded by   Peptide bonds  
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A chain of amino acids is called a   polypeptide  
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Amino acids your body cannot make and therefore must take in are called   Essential Amino Acids  
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Enzymes, hormones, hemoglobin, and anitbodies are made of   Protein  
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A protein that has lost its shape/function is said to be   Denatured  
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Proteins are affected by ______ and pH (acidosis)   Heat  
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A protein that is a catalyst is called an   Enzyme  
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A __________ speeds up a reaction without the need for heat   Catalyst  
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What are the 3 nucleic acids   DNA (deoxyribonucleic acid), RNA (ribonucleic acid), and ATP (adenotriphophate)  
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DNA is a _______ helix strand   Double  
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The bases for DNA are Adenine, Guanine, Cytosine, and __________   Thymine  
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Thymine always pairs with   Adenine  
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Guanine always pairs with   Cytosine  
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DNA makes up our chromosomes which is our   Genetic Code  
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RNA bases are Adenine, Guanine, Cytosine, and ________   Uracil  
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In RNA Adenine bonds with   Uracil  
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ATP contains Adenine, ribose and 3 __________ groups   Phosphate  
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ATP is the basic form of ________ in the body   Energy  
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ATP is made during   Cell respiration  
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RNA is a _______ strand of nucleotides   Single  
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Carbon always forms ________ bonds   Covalent  
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Salts, acids, and bases are all formed by ______ bonds   Ionic  
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Dissociation releases _____ for other reactions   Ions  
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Covalent bonds are not weakened in   Aqueous Solutions  
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The three-dimensional shape of proteins and nucleic acids is maintained by __________ bonds   Hydrogen  
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Water is cohesive due to ______ bonds   Hydrogen  
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A change brought about by the formation (synthesis) or breaking (dissociation) of chemical bonds is called a   Chemical Reaction  
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60%-75% of our bodies is made up of   Water  
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The energy producing process of cells is called   cell respiration  
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