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- 1. Multiple ChoiceHow many protons are in Zirconium (Zr) ?40913065
- 2. Multiple Choice
What is the mass number for Copper?
63
29
34
92
- 3. Multiple Choice
How many electrons does Cu4+ have?
29
33
25
30
- 4. Multiple ChoiceHow many electrons does S2- have?16181412
- 5. Multiple ChoiceA proton is....A negatively charged subatomic particleA positively charged subatomic particleA neutrally charged subatomic particleThe only subatomic particle located in the nucleus
- 6. Multiple ChoiceA neutron has a charge of+2No charge-1+1
- 7. Multiple Choice
What does the mass number tell you?
The number of electrons and protons
The number of neutrons
The number of protons and neutrons
The number of protons.
- 8. Multiple ChoiceAn element's identity is determined by the number ofelectrons.protons.neutrons.valence.
- 9. Multiple ChoiceThe number of protons is equal tothe atomic numberthe number of neutronsthe energy levelsthe periodic table groups
- 10. Multiple Choice
What is the mass number of Neon?
10
20.18
10.18
20
- 11. Multiple ChoiceHow many electrons does a Copper atom have?63299234
- 12. Multiple ChoiceWhat does the 6 represent above the CSymbolNameMass NumberAtomic Number
- 13. Multiple Choice
Who discovered that the atom had an small, dense, positively charged center?
Ernest Rutherford
J.J Thomson
Robert Millikan
John Dalton
- 14. Multiple Choice
This model this model was the first to show a positive nucleus. Electrons outside of the nucleus.
The "Rutherford Model" of the atom
The "Plum Pudding Model" of the atom
The "Quantum Mechanical Modell" of the atom
Democritus's model of the atom
- 15. Multiple Choice
This was the first model of the atom ever proposed.
Democritus's model of the atom
The "Plum Pudding Model" of the atom
The "Rutherford Model" of the atom
The "Quantum Mechanical Model" of the atom
- 16. 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
- 17. Multiple ChoiceWho came up with this model?DaltonThomsonRutherfordBohr
- 18. Multiple Choice
In the atomic model nicknamed the "plum pudding" model, or "chocolate chip cookie model", what do the plums or chocolate chips represent?
the nucleus
the atom
the electrons
the positive material
- 19. Multiple Choice
This model of the atom was developed to explain emission line spectra of elements.
Dalton's model of the atom
Rutherford's model of the atom
Bohr's model of the atom
Thomson's model of the atom
- 20. Multiple Choice
What is the number of neutrons in this atom?
6
12
12.011
Cannot be determined
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