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- 1. Multiple Choice
The first person to ever talk about an atom was
Democritus
Rutherford
Dalton
Bohr
- 2. Multiple ChoiceWho stated that all atoms of the same element are excacty alike?DemocritusDaltonThomsonBorh
- 3. Multiple Choice
What scientist is best known for his "Plum Pudding" model of the atom?J.J. TomsonErnest RutherfordJohn DaltonDemocritus - 4. Multiple ChoiceJ.J. Thomson provided evidence that an atom...is the smallest particle of mattercontains negatively charged particleshas an overall negative chargehas an overall positive charge
- 5. Multiple ChoiceA tiny but very dense, positively charged portion of the atom that holds most of the atomic massElectron ShellsOrbitalsElectron CloudNucleus
- 6. Multiple Choice
Who is credited with the Atomic Theory?
Dalton
Thomson
Bohr
Democritus
- 7. Multiple Choice
Who discovered the neutrally charged subatomic particles?
Dalton
Goldstein
J.J. Thomson
Chadwick
- 8. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 9. Multiple Choice
What particles would you find in the nucleus of an atom?
Protons only
Protons and Neutrons
Neutrons and Electrons
Protons and Electrons
- 10. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 11. Multiple Choice
Which letter represents a proton?
A
B
C
D
- 12. Multiple ChoiceWhich letter represents a neutron?ABCD
- 13. Multiple Choice
How many protons does oxygen have?
8
16
15.999
24
- 14. Multiple Choice
How many neutrons does oxygen have?
8
7.999
15.999
24
- 15. Multiple ChoiceThese particles orbit around the nucleus of an atom. What are they called?electronsprotonsneutronsphotons
- 16. Multiple ChoiceWhat are the names of the particles in the nucleus?protons and neutronsprotons and electronsphotons and neutronsnucleons and protons
- 17. Multiple ChoiceWhat is the atomic number of this nucleus?1347
- 18. Multiple ChoiceWhat does the nucleus of an atom contain?Electrons and neutronsProtons and neutronsNeutrinos and positronsDNA and RN
- 19. Multiple ChoiceThe positive particles of an atom are _________.positronselectronsprotonsneutrons
- 20. Multiple ChoiceWhich of these is a property of metals?It's malleableIt can't conduct electricityThey are used in foodIt's very brittle
- Answer choicesTagsAnswer choicesTags