The glycosylated hemoglobin value represents a time average of glucose concentration during the preceding: - correct answers -8 to 12 weeks Given the following results: Alkaline phosphatase Slight increase Aminotransferase Marked increase Aspartate ami

Chemistry - correct answers Chemistry is the study of structure and behavior of matter Scientific Method - correct answers Observation = Hypothesis = Experimentation = Publication = Confirmation = Application = Hypothesis Matter - correct answers Anything that has mass and takes up space Mass - correct answers The amount of matter in an object Weight - correct answers A measure of force of gravitational attraction between the object and a larger body Precision - correct answers Refers to the closeness of two or more measurements to each other Accuracy - correct answers How close a result comes to the true value Unit Analysis - correct answers Process chemists use to convert units of measurement Conversion Factor - correct answers A ratio the describes the relationship between two units Exact - correct answers -Numbers that come from definitions -Numbers from counting Inexact - correct answers -Values from measurements -Most values in calculations Density - correct answers Mass per unit value or density = mass/volume Converting Celsius to Fahrenheit - correct answers C X 1.8 + 32 = F Converting Fahrenheit to Celsius - correct answers C=(F-32) x 5/9 Converting Celsius to Kelvin - correct answers K=C+273.15 Converting Kelvin to Celsius - correct answers C=K-273.15 Solid - correct answers Constant shape, constant volume Liquid - correct answers Constant volume, shape of container Gas - correct answers Takes shape and volume of container Columns in Periodic Table - correct answers Have similar characteristics Metals - correct answers -Shiny -Conduct heat and electricity -malleable Metalloids - correct answers -also called semi-metals -possesses characteristics of metals and nonmetals -disagreement on which elements belong in this category Non-metals - correct answers -poor conductors -not metallic -gain electrons easily Proton - correct answers -positive charge -define the element -equals to atomic number -has same mass an neutrons Neutron - correct answers neutral charge Electron - correct answers -negative charge -outside the nucleus -generates a cloud Atomic Mass - correct answers 1/12 mass of carbon atom Atom - correct answers Smallest part of an element that retains chemical characteristics Nucleus - correct answers -core of the atom -all the positive charge is found in nucleus Ion - correct answers Formed when an uncharged atom gains or losses one or more electrons Cation - correct answers A positively charged ion that is formed when an atom loses one or more electrons Anion - correct answers A negatively charged ion that is formed when an atom gains one or more electrons Isotopes - correct answers -Atoms with same number of protons but different number of neutrons -Different form of a single element -Have same atomic number but different mass number Atomic Number - correct answers = number of protons Mass Number - correct answers = protons + neutrons Covalent Bond - correct answers Forme