Chem 110 Final Exam Jeopardy

Atomic Structure

100

This element has 10 protons

Neon

200

Isotopes have a different number of these atomic particles

neutrons

300

A nitrogen-15 atom has this many neutrons

8

400

A S^2- atom has this many electrons

18

500

This is the product of the beta decay of ²³⁸U

²³⁸Pa

Light and Quantum

100

As the frequency of light increases, the wavelength does this

decreases

200

A photon from your microwave with a frequency of 3x10⁸ Hz has this energy.

2.0 x 10^-25 J

300

This is the number of electrons that fit in a 4p orbital

2

400

This is the number of unpaired electrons in a neutral Manganese (Mn) atom

5

500

This is the noble gas electron configuration for Br^-

[Ar] = 4s²3p¹⁰4p⁶

Molecules and Compounds

100

This is the number of electrons in a bond

2

200

This is the type of bond formed by magnesium and oxygen

ionic

300

This is the charge of phosphate

3-

400

This is the formal charge of Carbon in this molecule

0

500

The molecular geometry of I³⁺

linear

Reactions

100

This is the compound formed by magnesium and bromide

MgBr₂

200

This is the net ionic reaction of the following reaction:
AgCl₂ (aq) + NaOH (aq) --> Ag(OH)₂ (s) + 2NaCl

Ag2+ + OH- --> Ag(OH)2

300

This element is oxidized in the following reaction:
N₂ +3 H₂ --> 2NH₃

hydrogen

400

This is the precipitate formed when Na₃N reacts with CaCl₂

Ca₃N₂

500

This is the limiting reactant when 6 moles of nitrogen react with 8 moles of hydrogen in the following reaction:
N₂ +3 H₂ --> 2NH₃

hydrogen

Thermochemistry

100

This is the sign of enthalpy for an endothermic reaction

positive

200

This is the direction of heat transfer when a liquid freezes

from ice to surroundings

300

This is the temperature change of an 850 g cast iron pan (Cs=1.87 J/gC) when 8380 J of heat are added

5.27

400

This is the heat produced when 1 g of Na reacts with water in the following reaction:
2Na + 2H₂O --> 2NaOH + H₂
△H= -336.7 kJ/mol

7.32 kJ

500

When and where is the final?

Here! 8am Mon