Chemistry Matter and Change cont’d Welcome to Jeopardy! With your hosts…. Mrs. Einstein & Mr. Naturale
Name the three (3) States of matter we have discussed to date?
The STATE of matter depends on _______. A. Density B. Melting points C. Kinetic Energy D. Fixed Volume
Identify the below as Extensive or Intensive… boiling point________ Volume________ Mass________ Density________ Conductivity________
What did the electrical conductivity exploration test for? A. Odor B. Ions C. Color D. Solutes
Identify the below as Physical or Chemical: Melting point: Flammable: Density: Magnetic: Tarnishes in air:
Why are we not pumping distilled water out of our faucets in our homes? List 2 reasons
change in color or odor:______ formation of a gas:_______ formation of a precipitate:_____ change from liquid to solid:____
In the foul water lab, foul water was separated using three (3) separation techniques. Name and describe two of the techniques you used? First you______________ Then You______________ And then you____________ And Whaaalah!!!! Water clean enough to wash your hands.
An Element is: A. composed of identical electrons B. composed of identical mixtures C. composed of identical atoms D. composed of identical heterogeneous mixtures
A Compound is: A. composed of 2 or more homogeneous mixtures B. composed of 2 or more elements in a fixed ratio C. properties are the same from individual elements D. properties are the same from grouped compounds
The Law of Definite Composition states: A.A given compound never contains the same, fixed ratio of elements. B. Elements can combine in different ratios to form different compounds. C. A given compound always contains the same, fixed ratio of elements. D. Elements can combine in similar ratios to form different compounds.
If I had 40ml left of pure water and I started out with 160, what is my percent recovery? A. 50% B. 25% C. 145% D. Not enough information
The LAW of Multiple Proportions states: A. Properties differ from those of individual elements B.Properties differ from those of grouped compounds C.Elements can combine in different ratios to form different compounds. D.Elements can combine in fixed ratios to form different compounds
The following are compounds except: 1. NaCl 2. H 2 O 3. Al 4. CO 5. H 2 SO 4
Homogeneous Solutions : A. Not evenly distributed B. Have medium-sized particles C. Are evenly distributed D. Have particles that settle
Heterogeneous mixtures…. A. Are not evenly distributed B. Have medium-sized particles C. Are evenly distributed A. Have particles that settle
Colloid Mixtures are…… 1. Homogeneous with large particles 2. Homogeneous with dissolved particles 3. Heterogeneous with large particles 4. Heterogeneous with medium particles
A Suspension Mixture is : 1. Homogeneous with dissolved particles 2. H eterogeneous with large particles 3. Homogeneous with large particles 4. Heterogeneous with dissolved particles
Label the following as : Colloid/Suspension or Solution mayonnaise muddy water fog saltwater Italian salad dressing
What step(s) have been completed of the water filtration lab? List all that apply. Color Pale yellow SolidsPresent OdorFishy Oil and Floating Debris None A.Distillation B.Charcoal Filtration C.Oil Water Separation D.Sand Filtration
graphite pepper sugar (sucrose) Label the following as: element, hetero mixture, compound or solution
True/False: Filtration -separates liquids because of different boiling points
Distillation - is to….. 1. separate solids from liquids with a barrier (filter paper) 2. separate liquids because of different boiling points 3. use different substances to attract paper or gel, so as to move at different speeds 4. none of the above
This Scientist Organized elements by increasing atomic mass. 1. Dmitri Einstein 2. Dmitri Ings 3. Dmitri Mendeleev 4. Dmitri Russian
Dmitri Mendeleev said that … A.Elements with similar properties were grouped separately B. Elements with similar properties were called compound nuclei C.Elements with similar properties were grouped together D. None of the above
Why is water purposely left in the flask at the end of distillation? Explain!
Henry Moseley (1913, British) : A. Organized elements by increasing atomic number. B. Organized compounds by decreasing there atomic number C. Resolved discrepancies in Mendeleev’s arrangement. D. A & C above E. B & C above
The Periodic Table is organized by: A. Metals/Metalloids/AlkaMetals B. Nonmetals/Metalloids/AlkaMetals C. Metalloids/Nonmetals/Metals D. None of the above
Blocks are organized by: A. Main Group Elements/Alkali Metals/Outer Transition Atoms B. Main Group Elements/Transition Metals/Inner Transition Metals D. Main Group Elements/Transition Metals/Outer Transition Metals E. Main Group Elements/Metalloids/Outer Transition Atoms
The element Si is classified as… A.METAL B NON-METAL C.METALLOID D.ALKALLOID
Periods on the periodic table are defined as: A. Vertical rows of elements, aka groups B. Diagonal rows of elements,aka groups C. Horizontal rows on the periodic table D. Symmetrical rows on the periodic table
Families on the periodic table are: A. Horizontal rows of elements, aka groups and each group contains similar chemical properties B. Vertical rows of elements, aka groups and each group contains similar chemical properties C. Symmetrical rows of elements, aka groups and each group contains similar chemical properties
Most metals are malleable, which is MOST like.. A. They can be stretched out like a square piece of bubble gum, which will cover a football field B. They can be pounded into thin sheets,like a sugar cube sized chunk which will cover a football field C. They can be swirled around like lemonade and dissolved, which will cover a football field
This group of elements are great conductors of heat and electricity: A Metalloids B Non-Metals C Metals D Alkaloids
NON- METALS: A. Vary greatly in appearance B. Non-lustrous C. Poor conductors of heat and electricity D. All of the above E. None of the above
Metalloids: A. Elements that may share properties of metals and non-metals. B. Elements that may share properties of metals and compounds c. Are a stair-step line separates the metals from the nonmetals on the periodic table. d. A & C e. B & C