Portage Learning CHEM 103 chemistry EXAM A+ GRADE ASSURED COMPLETE SOLUTIONS AND VERIFIED ANSWERS LATEST UPDATE!!!!

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Portage Chem 103 Module 2 Exam 2026 A+ GRADE ASS
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URED COMPLETE SOLUTIONS AND VERIFIED ANSWERS
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(EE064)
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QUESTION 1 zm




How do you calculate the maximum number of electrons that can occupy a shell?
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ANSWER

2 x n squared
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QUESTION 2 zm




When l=0 zm




ANSWER

s- subshell
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QUESTION 3 zm




When l=1 zm




ANSWER

p- subshell
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QUESTION 4 zm




When l=2 zm




ANSWER

d- subshell
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, QUESTION 5 zm




When l=3 zm




ANSWER

f- subshell
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QUESTION 6 zm




Which observations and or theories support the wave nature of light?
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ANSWER

Optical phenomena, such as reflection/refraction Light passing through narrow, closely spaced, slits,
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produces interference patterns James clerk Maxwell's theory of electromagnetic radiation
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QUESTION 7 zm




Which observations and or theories support the particle nature of light?
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ANSWER

Newtons law of motion (light was streams of extremely tiny particles traveling at high speeds accor
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ding to his laws of motion) Photoelectric effect Black body radiation
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QUESTION 8 zm




State the general trends for the atomic radius and explain the reason behind the tren
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d
ANSWER

Increases down a column and decreases from left to right The stronger pole, or higher effective nucl
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ear charge, experienced by electrons on the right side of the periodic table, draws them closer to th
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e nucleus, making the atomic radius smaller Going down a group, the size of the atom and its radiu
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s must increase as we increase the distance of the outer most electrons from the nucleus. More elec
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tron shells results in a weaker attraction of the outer most electrons to the nucleus (Zeff) as you go
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QUESTION 9 zm




State the general trends for Zeff and explain the reasoning behind the trend
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ANSWER

Decreases down a column and increases from left to right Zeff increases as we move from left to rig
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ht across a period because Z continues to increase by one, but the shielding increases only slightly
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The more core electrons and atom has the greater the shielding, thus going down a group the Zeff d
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ecreases