1. Chemistry Double Jeopardy Round

2. Atomic Theory
Chemical Reactions
Stoichiometry
Naming
200
200
200
200
400
400
400
400
600
600
600
600
800
800
800
800
1000
1000
1000
1000

3. the weighted average of an element痴 naturally occurring isotopes
What is atom mass?
Row 1, Col 1

4. Name the five different chemical reactions.
Synthesis, combustion, decomposition, single replacement, double replacement
Name the five different chemical reactions.
1,2

5. How many pennies are in a mole of pennies?
6.02 * 10^23
How many pennies are in a mole of pennies?
1,3

6. Name the following molecule
Potassium oxide
Name the following molecule
K2O
1,4

7. 2,1 What do we call the electrons found
Valence electrons
What do we call the electrons found
In the outer most filled orbit of the atom?
2,1

8. COMBUSTION
2C5H9O + 19O2  10CO2 + 18H2O
Reaction Type:
2,2

9. What is the percentage composition of oxygen
72.7%
What is the percentage composition of oxygen
in CO2
2,3

10. Name the following molecule
Cobalt (II) chloride
Name the following molecule
Co(II)Cl2
2,4

11. 2-6
Write the electron configuration of oxygen atom.
3,1

12. What type of the reaction is the following
Double displacement
What type of the reaction is the following
Equation?
MgCl2 + Li2CO3 MgCO3 + 2 LiCl
3,2

13. 1.51 E24
How many atoms are there in 100g of Argon?
3,3

14. 3,4 Write the chemical formula for the following compound:
Dinitrogen pentasulfide
Write the chemical formula for the following compound:
N2S5
3,4

15. 4,1 Draw lewis dot diagram for atom that hasX:
Draw lewis dot diagram for atom that has
20 electrons, 20 protons and 19 nuetrons
4,1

16. 4,2 2 , 1 , 1 , 2 Balance the following reaction:
____ NaBr + ____ Ca(OH)2  ___ CaBr2 + ____ NaOH
4,2

17. 4,3 1.81 mol N2O4 Determine the number of moles of N2O4 needed
to react completely with 3.62 mol of
N2H4 for the reaction
2 N2H4(l) + N2O4(l) → 3 N2(g) + 4 H2O(l)
4,3

18. Ammonium sulfate
Give the name to the following compound:
NH3SO4
4,4

19. 5,1 Which of the following scientist conducted the
Rutherford
Which of the following scientist conducted the
Gold foil experiment? A) Bohr
B) Rutherford
C) Marie Curie
D) Dalton
5,1

20. 2, 1, 1 Synthesis
Balance the following reaction and provide the type of reaction
____ NH3+ ____ H2SO4  ____ (NH4)2SO4
Reaction Type:
5,2

21. 5,3 D Given the reaction: 4NH3 (g)+5O2 (g)--->4NO(g)+6H2O(l)
When 1.20 mole of ammonia reacts,
the total number of moles of products formed is:
1.20
b. 1.50
c. 1.80
d. 3.00
5,3

22. Name the following molecule:
Cobalt (II) sulfate
Name the following molecule:
CoSO4
5,4