Jeopardy Review- Sem 1 Chem Scientific Method + Metrics Properties of Matter The AtomCompoundsThe...
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Transcript of Jeopardy Review- Sem 1 Chem Scientific Method + Metrics Properties of Matter The AtomCompoundsThe...
Jeopardy Review- Sem 1 ChemScientific Method + Metrics
Properties of Matter
The Atom Compounds The Periodic Table
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Final Jeopardy
Sci Method + Metrics 200
• A statement made using your senses (sight, touch, taste, hearing, smell) is called an _____.
• Observation
Back
Sci Method + Metrics 300
• After eating lunch, a student has a mass of 73.6 kg. What is the student’s mass in grams?
• 73,600 gBack
Sci Method + Metrics 400
• When playing darts, a person hits the three, the desired spot, 14 times in a row. Their throwing should be described as which of the following?
a) Accurate
b) Precise
c) Both accurate and precise
d) Neither accurate nor precise
• Both accurate and preciseBack
Sci Method + Metrics 500
• Calculate the %error of the electronic balance: Jimmy finds the mass of a 20g object on an electronic and manual balance. The manual balance measures the object’s mass as 24.23g and the electronic balance measures it as 22.23g
• 20 - 22.23 x 100 = 11% error 20
Back
errorpercentactual
ltheoreticaactual
100
Properties of Matter 200
• The properties that describe how a substance changes into a new substance through chemical reactions are called _______________ properties.
• chemicalBack
Properties of Matter 300
• DAILY DOUBLE!!!
• A measurement of the force of gravity on an object is termed what?
• weight
Back
Properties of Matter 400
• Define heterogeneous mixture and give an example.
• The mixture is different throughout; example: fruit salad
Back
Properties of Matter 500
• When a rock was placed in 52mL of water, the level rose to 67mL. If the density of the rock is 11g/mL, what is its mass ?
• D=m/v; m=d*v 11 * 15mL= 165g
Back
The Atom 500
• The amount of energy needed to remove the outermost electron from an atom.
• Ionization energy
Back
Compounds 200
• An ionic bond is formed when _____.
• A nonmetal takes electrons away from a metal
Back
The Periodic Table 200
• Where are the alkaline earth metals? Where are the alkali metals?
• Alkaline earth- column 2
• Alkali metals- column 1
Back
The Periodic Table 300
• What happens to the atomic radius as you move down and to the left on the periodic table?
• It gets bigger as you move down and smaller as you go to the right.
• Bonus (+2!) why? Back
The Periodic Table 500
• What happens to the reactivity of metals as you go down and to the left? What happens to the reactivity of metals and you go up and to the right?
• Reactivity increases for metals
• Reactivity increases for nonmetalsBack