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- 1. Multiple ChoiceWhat subatomic particles would you find in the nucleus of an atom?Protons onlyProtons and NeutronsNeutrons and ElectronsProtons and Electrons
- 2. Multiple ChoiceWhat subatomic particle is electrically neutral (no charge)?ProtonIonNeutronElectron
- 3. Multiple ChoiceWhat is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?22113423
- 4. Multiple ChoiceIf an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?102030
- 5. Multiple ChoiceWhat subatomic particle(s) would be found orbiting the nucleus?Neutrons onlyElectrons onlyProtons and NeutronsProtons and Electrons
- 6. Multiple ChoiceProtons and Electrons balance the charge of an atom.TrueFalse
- 7. Multiple ChoiceWhich subatomic particles contribute the most to the mass of an atom?Protons, Neutrons, ElectronsProtons onlyProtons and ElectronsProtons and Neutrons
- 8. Multiple ChoiceIf an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?12 neutrons12 electrons12 protons24 protons and neutrons
- 9. Multiple ChoiceThe smallest particle of any type of matter is known by which of the following terms?ElementCompoundAtomChemical
- 10. Multiple ChoiceWhat particle uniquely identifies an element?Number of Valence ElectronsNumber of ProtonsNumber of ElectronsAtomic Mass
- 11. Multiple ChoiceWhat subatomic particle is positively charged and is located inside of the nucleus?ProtonNeutronElectronIon
- 12. Multiple ChoiceWhich one of these is NOT located in the element square on the Periodic Table?Atomic NumberAtomic MassRoom TemperatureChemical Symbol
- 13. Multiple ChoiceWhere are electrons of an atom found?NucleusElectron CloudSome are in the nucleus and some in the electron cloud.They are moving everywhere.
- 14. Multiple ChoiceElectrons have this type of charge?negativepositiveneutral
- 15. Multiple ChoiceWhat is the atomic number for an element with three protons?2136
- 16. Multiple Choice
How many neutron are in the atom "K"?723920 - 17. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 18. Multiple ChoiceWhat are the 3 particles that make-up the atom?protons, neutrons, and isotopesneutrons, isotopes, and electronspositives, negatives, and electronsprotons, neutrons, and electrons
- 19. Multiple ChoiceThe charge of a neutron in an atom.positivenegativeneutral+1
- 20. Multiple ChoiceFrom the diagram, which particles are indicated with the arrow?electrons and protonsprotons and neutronselectrons and neutronsphotons and nucleons
- 21. Multiple Choice
Why is the overall charge of an atom neutral (0)?
They have the same number of protons and neutrons.
They have the same number of protons and electrons.
They have the same number of electrons and neutrons.
- 22. Multiple Choice
How many neutrons does an atom of Fluorine contain?
91810
19 - 23. Multiple ChoiceWhat is the number of protons that the element in this image contain?1471518
- 24. Multiple Choice
The center of an atom where its neutrons and protons are is called the _____________.
nucleus
electron cloud
center
- 25. Multiple Choice
Everything but air is made of atoms.
True
False
- Answer choicesTagsAnswer choicesTags