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- 1. Multiple Choice
What are the steps of operation in the mass spectrometer?Accelerate, Deflect,Ionize, DetectDeflect,Ionize, Accelerate, DetectIonize, Accelerate, Deflect, DetectDetect, Accelerate, Deflect, Ionize - 2. Multiple ChoiceWhich species would get deflected by the greatest degree in the mass spectrometer?12C+13C+13C2+14C+
- 3. Multiple ChoiceWhat do the peaks on the mass spectrum represent?anionsdifferent isotopesatoms with differing numbers of electronsnumbers of electrons
- 4. Multiple ChoiceWhat do the heights of the peaks represent in the mass spectrum?number of isotopesrelative abundance of each isotopeaverage atomic masscharge:mass ratio
- 5. Multiple ChoiceA sample of pure chlorine gas is analyzed in the MS. Which of the following is a correct interpretation?Chlorine has an isotope with a mass of 70 amuChlorine has three known isotopesChlorine is diatomicChlorine is highly reactive
- 6. Multiple ChoiceWhat is the average atomic mass for this element?10 amu10.8 amu19.9 amu11 amu
- 7. Multiple ChoiceThe average atomic mass rhenium, Re, is 186.21 amu. If 37.1% of rhenium has mass# = 185, what is the other stable isotope?Rhenium-183Rhenium-181Rhenium-187Rhenium-189
- 8. Multiple ChoiceThe electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is36810
- 9. Multiple ChoiceWhat atom matches this electron configuration?
1s22s22p63s23p64s23d10ZincCopperNickelGermanium - 10. Multiple ChoiceWhat is the noble gas shorthand electron for Sulfur atom?[Ar] 3p4[He] 3s23p4[Ne] 3s23p4[Na] 3s23p4
- 11. Multiple ChoiceHow many electrons does Si contain? (click to see image)142824
- 12. Multiple ChoiceHow many valence electrons does Si contain? (click to see image)142824
- 13. Multiple ChoiceHow many electrons can the first energy level hold?1280
- 14. Multiple ChoiceWhat is the electron configuration for this atom?1s22s22p61s22s22p51s22s22p32s22p3
- 15. Multiple Choice
What is the highest occupied energy level for an aluminum atom in it's ground state?
1
2
3
4
- 16. Multiple ChoiceValence electrons are:Electrons farthest away from the nucleusElectrons closest to the nucleusElectrons that just come and go - they don't stay with the atom
- 17. Multiple ChoiceMagnesium's ionMg+Mg2+Mg-Mg2-
- 18. Multiple ChoiceWhich element is depicted from this orbital diagramFluorineNeonChlorineArgon
- 19. Multiple ChoiceA wave with a large wavelength will have a ______ frequency and _____ energyhigh, lowhigh, highlow, highlow, low
- 20. Multiple ChoiceThe _______________ determines the color of visible light.wavelengthspeedamplitudelight
- 21. Multiple ChoiceLight is emitted when an electron moves from the ________ state to the _________ stateexcited, groundground, excited
- 22. Multiple ChoiceFor an electron to change from ground state to an excited stated it must...Absorb energyRelease energy
- 23. Multiple ChoiceWhen an atom has all of its electrons in the lowest energy orbitals available, the atom isin ground statein excited stategiving off light energyunstable
- 24. Multiple Choice
As the energy level increases the difference in the energy level ...
increases
decreases
stays the same
none of these
- 25. Multiple Choice
The arrows pointing down represents...
photon absorption
proton emission
electron absorption
photon emission
- 26. Fill in the Blank
Hydrogen has a _____ spectrums.
- 27. Multiple Choice
Hydrogen spectrum converges at____
high energy
long wavelength
low frequency
low energy
- 28. Multiple Choice
Electron configuration of Cr is
[Ar]4s13d5
[Ar]4s24d4
[Ar]4s04d5
[Ar]4s24d5
- Answer choicesTagsAnswer choicesTags