Thinkwell Chemistry Quiz #4 [Help, please]

Question 1 of 12    4.0 Points
How many subshells are there in the n = 4 principal shell?
   A. 1    
   B. 3    
   C. 2    
   D. 4    
   E. not enough information    
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Question 2 of 12    4.0 Points
An accepted abbreviation format is to write an electron configuration that includes a noble gas symbol in brackets. If you were writing an electron configuration for a bromine atom, which elemental symbol would you place in the bracket?
   A. Ne    
   B. He    
   C. Ar    
   D. Xe    
   E. Kr    
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Question 3 of 12    4.0 Points
Which form of electromagnetic radiation has the shortest wavelength?
   A. Gamma Rays    
   B. Microwaves    
   C. Radio Waves    
   D. X-rays    
   E. Infrared Radiation    
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Question 4 of 12    4.0 Points
How are wavelength and frequency of light related?
   A. Wavelength increases as frequency increases.    
   B. Wavelength is double the frequency.    
   C. Wavelength is one-half of the frequency.    
   D. Wavelength is independent of frequency.    
   E. Wavelength increases as the frequency decreases.    
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Question 5 of 12    4.0 Points
The size of an atom generally increases
   A. down a group and from right to left across a period.    
   B. up a group and diagonally across the Periodic Table.    
   C. down a group and from left to right across a period.    
   D. up a group and from right to left across a period.    
   E. up a group and from left to right across a period.    
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Question 6 of 12    4.0 Points
What is the molecular geometry of SCl2?
   A. bent    
   B. tetrahedral    
   C. trigonal pyramidal    
   D. linear    
   E. not enough information    
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Question 7 of 12    4.0 Points
When a nonmetal bonds with a nonmetal
   A. electrons are shared.    
   B. a molecular compound forms.    
   C. a covalent bond is involved.    
   D. all of the above are true    
   E. none of the above    
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Question 8 of 12    4.0 Points
What is the molecular geometry if you have 4 single bonds around the central atom?
   A. bent    
   B. trigonal pyramidal    
   C. tetrahedral    
   D. linear    
   E. not enough information    
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Question 9 of 12    4.0 Points
Which molecule listed below is a polar molecule?
   A. H2O    
   B. HCN    
   C. NH3    
   D. all of the compounds    
   E. none of the compounds    
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Question 10 of 12    4.0 Points
The electronegativity value for Mg is 1.2 and the value for O is 3.5. Based on these values, what type of bond is expected for a compound formed between Mg and O?
   A. Polar covalent    
   B. Ionic    
   C. Pure covalent    
   D. not enough information    
   E. none of the above    
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Question 11 of 12    5.0 Points
State the octet rule.

Question 12 of 12    5.0 Points
What is the full electron configuration for Kr?