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Chemistry
6th -
9thgrade
PHY SCI: Bohr Models and the Periodic Table Practice
42 questions
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- 1. Multiple ChoiceWhat element does this Bohr model represent?lithiumcarbonaluminumoxygen
- 2. Multiple ChoiceWhat element is this?HeliumHydrogenArgonSilver
- 3. Multiple ChoiceWhich element does this model represent?neonHydrogenFluorinebromine
- 4. Multiple ChoiceWhich element does this model represent?BerylliumBoronBariumBromine
- 5. Multiple Choice
What is the atomic mass of this atom?
1
3
4
7
- 6. Multiple ChoiceWhat is the atomic number of this atom?246none of the above
- 7. Multiple ChoiceHow many electrons does potassium K contain? (click to see image)19392040
- 8. Multiple ChoiceHow many protons are in this element?79196117Cannot be determined
- 9. Multiple ChoiceWhat are electrons?Negatively charged particlesNeutrally charged particlesPositively charged particlesUncharged particles
- 10. Multiple ChoiceHow many protons are in Boron (B) ?351011
- 11. Multiple ChoiceHow many electrons are in Manganese (Mn) ?12255530
- 12. Multiple ChoiceHow many neutrons are in Phosphorus (P) ?15311614
- 13. Multiple ChoiceWhich element has 31 protons ?GalliumGermaniumGadoliniumPolonium
- 14. Multiple ChoiceWhich element has 56 electrons ?BariumBoronBerylliumBromine
- 15. Multiple ChoiceWhich element has 5 more protons than Oxygen (O)?AluminumLithiumChlorineSilicon
- 16. Multiple ChoiceUse your Periodic Table of Elements to help you identify which Bohr Model is pictured.calciumsulfuraluminumboron
- 17. Multiple ChoiceUse your Periodic Table of Elements to help you identify which element is pictured.calciummagnesiumbrominenickel
- 18. Multiple ChoiceWhat element is represented in this Bohr Model?CarbonHydrogenAluminumLithium
- 19. Multiple ChoiceWhat element is this?BerylliumBoronBariumBromine
- 20. Multiple Choice
What element is this?
Beryllium
Boron
Barium
Bromine
- 21. Multiple ChoiceWhat element is represented in this Bohr Model?CarbonHydrogenAluminumLithium
- 22. Multiple Choice
What element is this?
Beryllium
Boron
Barium
Bromine
- 23. Multiple Choice
How many electrons does Mg have on the 3rd shell?
1
8
2
4
- 24. Multiple Choice
How many electrons are on the 3rd orbital for Ar?
2
4
7
8
- 25. Multiple ChoiceThe positive particles of an atom areelectronspositronsneutronsprotons
- 26. Multiple Choicean atom with atomic number 6 would have how many protons6123cannot be determined
- 27. Multiple ChoiceWhat does the 1.00794 stand for?Hydrogenatomic numberatomic massatomic explosion
- 28. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 29. Multiple ChoiceWhat is the atomic mass of "F"9181719
- 30. Multiple ChoiceThe atomic number of an elements is the total number of which particles in the nucleus?neutronsprotonselectronsprotons and electrons
- 31. Multiple Choiceelectrons have this type of charge?negativepositiveneutral
- 32. Multiple Choice
How many neutrons are in the atom "K"?
7
2
39
20
- 33. Multiple ChoiceThe atomic number of this pictured element is2858.6934NiNickel
- 34. Multiple ChoiceHow is the number of neutrons in the nucleus of an atom calculated?Add the number of e- and p+ togetherSubtract the number of e- from p+Subtract the number of p+ from the mass numberAdd the mass number to the number of e-
- 35. Multiple ChoiceThis model was developed after J.J. Thompson discovered electrons, a particle smaller than an atom. Is shows electrons floating freely in a positive space.The "Plum Pudding Model" of the atomThe "Rutherford Model" of the atomDemocritus's model of the atomThe "Quantum Mechanical Model" of the atom
- 36. Multiple ChoiceErnest Rutherford discovered that atoms were mostly _________________.negatively chargedpositively chargedelectronsempty space.
- 37. Multiple ChoiceThe Billiard Ball is the nickname for ________ theory.DaltonNeils BohrJJ ThomsonErnest Rutherford
- 38. Multiple Choice
Rutherford's experiment that he used to discover protons and the nucleus.
gold foil experiment
cathode ray experiment
neither of these is correct
- 39. Multiple Choice
Who created this atom model, in 1925-1926? They formulated quantum mechanics.
Dalton
Thomson
Rutherford
Bohr
Heisenberg and Schrodinger
- 40. Multiple Choice
Which scientist said matter is made of atoms, little spheres in 1803.
John Dalton
Bohr
Rutherford
Thompson
- 41. Multiple Choice
The vertical columns in the periodic table are called
groups
periods
- 42. Multiple Choice
The horizontal rows in the periodic table are called
groups
periods
- Answer choicesTagsAnswer choicesTags