1) What is the molar concentration of a solution that is made by dissolving 6.30g of sodium chloride and diluting 1.00L?Report your answer to three significant figures.

2) In an experiment, 6.00g of Mg(s) was reacted completely with O2(g) to form MgO(s) and 148.5kJ of heat was evolved. What is the molar emthalpy of formation of MgO(s)? Report your answer in kJ/mol,to three significant figures.

3) What is the de Broglie wavelength of an electron travelling at 4.0X10^7 m/s? Report your answer in metres, in scientific notion, to two significant figures. (Me=9.109X10^-31 kg)

4) What is the energy of a photon having a wavelength of 610nm? Report your answer in joules, in scientific notion, to two significant figures.

5) Write the electron configuration of selenium.

6) Write the chemical equation for the reaction of CO2 with water.

7) What is the electron configuration o a Cu^3+ ion.

8) List the following ions in order of increasing ionic radius: O^2-, F-, Na+, Mg^2+.

9) List the following compounds in order of increasing lattice energy: NaCl, NaBr, MgO, CaO.

10) Draw a Lewis structure for PO4^3- that minimizes formal charges.

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... Answers questions on Spectrum, Quantum Numbers, Orbital Shapes ... frequency c = speed of light = 3x 10 ... correct because the principal quantum number only determines ...

... In light of this fact, which orbital is higher in energy? ... There are actually 4 quantum numbers. n is the Principle Quantum Number (Values =1,2,3, ) This is the ...

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... Plugging in the numbers, we have. ... well size on energy: What you are looking at are suspensions of quantum dots, illuminated by an ultraviolet light. ...

... of labeled cells that can be detected the quantum yield ... Page 5 of 10 (page number not for citation purposes ... cells did increase with the red light excitation them ...