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Matter - Answer-anything that occupies space and has mass mass - Answer-the amount of matter in an object pure substance - Answer-elements and compounds that cannot be broken down mixtures - Answer-combinations of two or more substances that can be separated or physically mixed heterogeneous mixture - Answer-non uniform composition ex: trail mix homogeneous mixture - Answer-uniform composition ex: salt water qualitative data - Answer-physical characteristics quantitative dat...

Matter - Answer-Anything that has mass and occupies space Chemistry - Answer-The study of composition of matter and the changes that matter undergoes Organic Chemistry - Answer-The study of compounds containing carbon Inorganic Chemistry - Answer-Study of substances that do not contain carbon Biochemistry - Answer-Area of chemistry that focuses on processes that take place in organisms Analytical Chemistry - Answer-Area of chemistry that focuses on the composition of matter Phy...

Chemistry - Answer-The Study of Matter Matter - Answer-Anything that occupies spaces and has mass How do Chemists Study Matter? - Answer-The Scientific Method Steps of The Scientific Method - Answer-Observation Hypothesis Experiments Theory - Answer-is an explanation of why Law - Answer-is a summary of observations that are true Volume - Answer-Measure of the amount of 3-D space occupied by a substance Classes of zeros - Answer-Leading, Captive, and Trailing Leading Zer...

What describes metallic compounds? Select all that apply. - Answer-in a solid state, they usually conduct electricity they generally have high melting points Using the electron configuration, how many valence electrons does sulfur (S) have? HINT: Sulfur's atomic number is 16. - Answer-S: 1s222s222p663s223p44 Since there are two electrons in 3s and four electrons in 3p, there are six valence electrons. Oxygen has six valence electrons, and an electronegativity of 3.44. Calcium has two va...

gram - Answer-SI unit for mass liter - Answer-SI unit for volume density - Answer-the amount of mass in a given volume (units: g/mL) exothermic - Answer-a reaction that releases heat as a byproduct pure substance - Answer-either an element or a compound chemical forumla - Answer-show the kind(s) and proportions of atoms in a compound (Ex: H2O) Chemical equation - Answer-a way to describe a chemical reaction using chemical formulas for substances and symbols for state of matter....

In this list, which substance can be classified as a chemical? a. salt b. sleep c. cold d. heat e. temperature - Answer-Salt Which of the following is not a chemical? a. salt b. water c. light d. carbon dioxide e. sugar - Answer-Light Chlorofluorocarbons are broken down in the atmosphere by ________. a. nitrogen dioxide b. ozone c. iron d. AIDS e. ultraviolet light - Answer-UV Light The production of smog from NO gas requires ________. a. nitrogen b. chlorine c. water d. oxy...

How many Periods in Periodic Table? - Answer-7 Horizontal Rows How many Groups in Periodic Table? - Answer-18 Vertical Colums What is an Intensive Property? and Examples. - Answer-Independent of sample size. Temperature Melting Point What is an extensive property? - Answer-Dependent on sample size Length Volume Physical Properties - Answer-Temperature Color Melting Point Amount Odor Solubility Conductivity Hardness Chemical Properties - Answer-Rusting Hardening Ta...

photons - Answer-quanta of energy that behave like tiny particles when an electron absorbs energy the atom changes from its _____ state to its ____ state - Answer-ground, excited bohr labeled each _________ in his atomic model by a quantum number. - Answer-energy level that atomic number is equal to what? - Answer-the protons uv waves have (larger or smaller) waves than radio waves - Answer-smaller as wavelenth increases, frequency - Answer-decreases the region around the nucle...

properties of metals - Answer-shiny, malleable, ductile properties of non metals - Answer-not shiny, malleable ductile chemical changes - Answer-the change in an elements actual chemical makeup physical changes - Answer-a change is the physical condition of an element define matter - Answer-anything that takes up space what do intensive changes need or not need - Answer-this does not depend on the amount of matter there extensive changes - Answer-these depend on the amount of m...

Thermochemistry - Answer-Branch of chemistry that studies the energy chamges in chemical reactions. Thermal Kinetic Energy - Answer-Motion of particles (either atoms or molecules). Chemical Potential Energy (CPE) - Answer-Stored energy in the bonds between atoms in a molecule. Three types of motions of particles - Answer-1. Vibration 2. Rotation 3. Translation Temperature - Answer-The average kinetic energy of the particles in a substance. Thermal Energy - Answer-The total kin...

Combination Reaction - Answer-2 or more substances react to form a single new substance A + B = AB Decomposition Reaction - Answer-Single compound breaks down into two or more simpler products AB = A + B Single Replacement Reaction - Answer-One element replaces a second element in a compound A + BX = AX + B Activity Series - Answer-A list of metals in order of deceasing reactivity. A reactive metal will replace any metal listed below it in the activity series, only when reactant A is...

intensive properties - Answer-depends on what type of matter (ex: denisty, composition, atomic structure) extensive properties - Answer-depends on how much matter you have (amount of matter), ex: mass, volume, shape homogenous mixtures - Answer-one phase (part that you can see), individual parts not visible (ex: solutions) heterogenous mixture - Answer-mixture does not appear the same throughout (ex: colloids, suspenisons, and blood) pure substances - Answer-can only be separated by ...

Fission only - Answer-a very large nucleus splits into smaller pieces fission and fusion - Answer-the total mass before a reaction is greater than the mass after a reaction fission only - Answer-the rate of a reaction can be safely controlled for energy generation in suitable vessels. fusion only - Answer-two small nuclei form a single large one fission and fusion - Answer-less-stable nuclei are converted to more-stable nuclei uncontrolled fusion, controlled fusion - Answer-it req...

What is the height of a 6 m building in centimeters? - Answer-600 cm A balance is used to measure...? - Answer-mass A sample of bismuth has a mass of 7872 g and a volume of 1.64cm3. WHat is the density of bismuth? - Answer-4.80x10cubed g/cm cubed A measurement is said to have high accuracy if it ... - Answer-agrees closely with the accepted standard Number of sig figs in 0.? - Answer-3 (1.5560x 10 to the -6) x (7.9860x 10 to the 13th) Don't forget about sig figs. - Answer-1.246x1...

mass - Answer-the amount of matter in an object volume - Answer-the amount of space occupied by an object extensive property - Answer-a property that depends on the amount of matter in a sample intensive property - Answer-a property that depends on the type of matter in a sample, not the amount of matter substance - Answer-Matter that has a uniform and definite composition physical property - Answer-a quality or condition of a substance that can be observed or measured without cha...

How many valence electrons are in an atom of chlorine? - Answer-7 How many valence electrons does aluminum have? - Answer-3 Define Reaction Rate - Answer-The decrease in concentration of reactants or the increase in concentration of products with time. How does increasing temperature affect the rate of reaction? - Answer-Increasing temperature causes the kinetic energy to increase. Thus, molecules are moving faster and colliding more frequently. This causes the rate of reaction to incra...

The nurse is conducting a community health promotion class and has developed scenarios that will involve active participation by the class attendees. What type of education strategy is the nurse incorporating into her class a. programmed instruction b. Panel discussion c. Role modeling d. Role-playing - Answer-d. Role-playing A nurse is discussing the benefits of smoking cessation with a client. The nurse informs the client that smoking cessation will reduce his risk for cancer, improve...

A white female client is admitted to an acute care facility with a diagnosis of cerebrovascular accident (CVA). Her history reveals bronchial asthma, exogenous obesity, and iron deficiency anemia. Which history finding is a risk factor for CVA? a. Caucasian race b. Female sex c. Obesity d. Bronchial asthma - Answer-Answer C. Obesity is a risk factor for CVA. Other risk factors include a history of ischemic episodes, cardiovascular disease, diabetes mellitus, atherosclerosis of the cranial ve...

A client who delivered by cesarean section 24 hours ago is using a patient-controlled analgesia (PCA) pump for pain control. Her oral intake has been ice chips only since surgery. She is now complaining of nausea and bloating, and states that because she had nothing to eat, she is too weak to breastfeed her infant. Which nursing diagnosis has the highest priority? A. Altered nutrition, less than body requirements for lactation B. Alteration in comfort related to nausea and abdominal distenti...

A nurse is assigned to care for a client with chronic renal failure who is undergoing hemodialysis through an internal AV fistula in the RA. Which intervention should the nurse implement in caring for the client? SATA a. Assessing the radial pulse in the right extremity b. Using the LA ti take BP readings c. Drawing pre-dialysis blood specimens from the LA d. Assessing the area over the AV fistula for a bruit and three each shift e. Placing a pressure dressing over the site after each dialy...