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- 1. Multiple Choice
Which group of lists best summarizes the subatomic particles and their electrical charge?
proton-negative,
neutron-positive,
electron-no charge
proton-positive,
neutron,no charge,
electron-negative
proton-positive,
neutron-negative,
electron-no charge
proton-no charge,
neutron-positive,
electron-negative
- 2. Multiple Choice
Which statement best describes the relationship between masses of subatomic particles?
proton equals electron
proton is greater than electron
proton is greater than neutron
neutron is less than electron
- 3. Multiple Choice
Which letter represents the protons?
Q
R
S
T
- 4. Multiple Choice
Which letter represents the neutrons?
Q
R
S
T
- 5. Multiple Choice
Which letter represents the nucleus?
Q
R
S
T
- 6. Multiple Choice
What is the name of the element represented in the model?
Beryllium
Boron
Oxygen
Fluorine
- 7. Multiple Choice
An atom of an element contains 20 protons. What is the identity of the element?
Argon
Calcium
Neon
Potassium
- 8. Multiple Choice
Which of the following elements contains the greatest amount of protons?
Chlorine
Hydrogen
Oxygen
Sulfur
- 9. Multiple Choice
Which of the following below lists the correct number of protons, neutrons, and electrons for an atom of phosphorus?
protons 15,
neutrons 15,
electrons 15
protons 15,
neutrons 16,
electrons 15
protons 15,
neutrons 16,
electrons 16
protons 16,
neutrons 15,
electrons 15
- 10. Multiple Choice
What atom is represented by 35 protons, 45 neutrons, and 35 electrons?
Mercury
Bromine
Rhodium
Ytterbium
- 11. Multiple ChoiceThe atomic number equals the amount ofNeutronsProtonsValence Electroms
- 12. Multiple ChoiceWhat is a valence electron?an electron in the innermost energy level of an atoman electron that moves into the atom's nucleusan electron that moves to a higher energy levelan electron in the outside shell of an atom
- 13. Multiple Choice
8.5B What part of an atom determines the atoms reactivity?
nucleus
proton
neutron
valence electrons
- 14. Multiple Choice
8.5C Which group on the periodic table is least reactive?
Group 1
Group 14 (4A)
Group 17 (7A)
Group 18 (8A)
- 15. Multiple ChoiceWhich element is found in group 16 period 3?Sulfur (S)Selenium (Se)Chlorine (Cl)Carbon (C)
- 16. Multiple ChoiceAtoms with similar properties are most likely located...in the same period.in the same group.in different periods.to the right and left of each other.
- 17. Multiple ChoiceIf an atom had the same properties as fluorine (F), it would probably be located inperiod 1.period 2.group 2.group 17.
- 18. Multiple ChoiceWhich elements have the most similar chemical properties?K and NaK and CaK and ClK and S
- 19. Multiple ChoiceWhat charge does the nucleus have and why?positive - the neutrons do not have a chargepositive - the neutrons and protons are positively charged particlesneutral - the neutral charge dominates the positive chargeneutral - electrons cancel out the positive charge of the atom
- 20. Multiple ChoiceAn element with a mass number of 11 and an atomic number of 5 has how many neutrons?115616
- 21. Multiple ChoiceWhat is the element name of the atom pictured?SodiumMagnesiumTitaniumVanadium
- 22. Multiple ChoiceSodium has an atomic number of 11, how many protons does this atom have?2211122
- 23. Multiple ChoiceWhich of the following statements most directly relates to Chlorine's reactivity?Chlorine atoms have 17 protons in their nucleusThe average mass of a chlorine atom is 35Chlorine atoms have 3 energy levelsChlorine atoms have 7 valence electrons
- 24. Multiple ChoiceWhich of the following determines the identity of an element?Atomic NumberAtomic MassValence ElectronsNumber of Neutrons
- 25. Multiple ChoiceGroup 18 on the periodic table is called the Noble Gases. Neon is a gaseous element that belongs to this group, and it is chemically unreactive and very stable. Which of the following relates to its chemical reactivity?They have 10 protonsThey have 10 neutronsThey have 2 electron energy levelsThey have 8 valence electrons
- 26. Multiple ChoiceValence Electrons determine an element's _____________.ReactivityLocationIdentityColor
- 27. Multiple ChoiceHow many neutron are in the atom "K"?723920
- 28. Multiple ChoiceWhich subatomic particles contribute the most to the mass of an atom?Protons, Neutrons, ElectronsProtons onlyProtons and ElectronsProtons and Neutrons
- 29. Multiple Choice8.5A Which of the following best describes an electron?It has no charge & about the same mass as a proton.It has a negative charge & much less mass than a proton.It has a positive charge & much more mass thtan a neutron.It has a negative charge & about the same mass as a neutron.
- 30. Multiple Choice
Which atomic diagram has chemical properties most similar to Sodium?
- 31. Multiple ChoiceThe part of the atom that determines the identity of the atomprotonnucleuselectronneutron
- 32. Multiple ChoiceHow many electrons would an atom of Krypton have?83.803612none
- 33. Multiple ChoiceWhere is most of the mass in an atom located?in the nucleusin the protonsin the neutronsin the electrons
- 34. Multiple Choice(8.5B) An atom of which element is represented by this model?Boron (B)Carbon (C)Neon (Ne)Sodium (Na)
- 35. Multiple ChoiceThe particles with no charge in an atom are the _______.electronsneutronsprotonsprotons and neutrons
- 36. Multiple ChoiceWhich two groups on the Periodic Table are the MOST reactive?Group 1 and Group 7A (17)Group 2 and Group 6A (16)Group 13 and Group 5A (15)Group 17 and Group 8A (18)
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