1. Jeopardy Review- Sem 1 Chem
Scientific Method + Metrics
Properties of Matter
The Atom
Compounds
The Periodic Table
100
200
300
400
500
Final Jeopardy

2. Sci Method + Metrics 100
A statement that can be tested is also called a _____?
Hypothesis
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3. Sci Method + Metrics 200
A statement made using your senses (sight, touch, taste, hearing, smell) is called an _____.
Observation
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4. 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 g
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5. 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 precise
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6. 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
x 100 = 11% error 20
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7. Properties of Matter 100 What are the three states of matter?
Solid, liquid, gas
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8. Properties of Matter 200
The properties that describe how a substance changes into a new substance through chemical reactions are called _______________ properties.
chemical
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9. Properties of Matter 300 DAILY DOUBLE!!!
A measurement of the force of gravity on an object is termed what?
weight
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10. Properties of Matter 400
Define heterogeneous mixture and give an example.
The mixture is different throughout; example: fruit salad
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11. 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 * 15mL= 165g
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12. The Atom 100 What subatomic particles are found in the nucleus?
Protons and neutrons
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13. The Atom 200 What are the outermost electrons called?
Valence electrons
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14. The Atom 300 Change the number of these and you get an ion. electrons
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15. The Atom 400 Change the number of these and you get a new element.
Protons!
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16. The Atom 500
The amount of energy needed to remove the outermost electron from an atom.
Ionization energy
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17. Compounds 100
When two nonmetals share electrons, they form a _____ bond.
covalent
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18. Compounds 200 An ionic bond is formed when _____.
A nonmetal takes electrons away from a metal
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19. Compounds 300
Write the formula for ammonium sulfide.
(NH4)2S
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20. Compounds 400
HNO3… is a(n)
acid
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21. Compounds 500
Write the name for H2CO3
Carbonic acid
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22. The Periodic Table 100 Who developed the modern periodic table?
Mendeleev
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23. The Periodic Table 200
Where are the alkaline earth metals? Where are the alkali metals?
Alkaline earth- column 2
Alkali metals- column 1
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24. 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?
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25. The Periodic Table 400
Where are the halogens?
Column 7
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26. 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 nonmetals
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27. Final Jeopardy DIMENSIONAL ANALYSIS- MAKE YOUR WAGER
How old am I in years?
Convert that to minutes.
15,242,400 minutes! (29yrs x 365 days/yr x 24 hrs/day x 60 min/hr)
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