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- 1. Multiple Choice
What is at the center of every atom?
An electron
A compound
A molecule
A nucleus
- 2. Multiple ChoiceWhich two particles make up the nucleus of an atom?Protons and ElectronsProtons and NeutronsMolecules and CompoundsNeutrons and Electrons
- 3. Multiple ChoiceWhat is the role of an electron in an atom?Electrons live inside the nucleus and carry a neutral charge.Electrons circle the nucleus and have a positive charge.Electrons circle the nucleus and have a negative charge.Electrons live inside the nucleus and have a negative charge.
- 4. Multiple ChoiceIn an atom, what is the number of protons equal to?The number of electrons.The number of neutrons.The number of molecules.The number of nuclei.
- 5. Multiple ChoiceWhich of the following determines the type of element that an atom makes?The size of the nucleus.The number of protons.How much the atom weighs.The number of neutrons.
- 6. Multiple ChoiceA proton is a _____ charged particle.NegativelyPositively
- 7. Multiple ChoiceAn electron is a _____ charged particle.PositivelyNegatively
- 8. Multiple ChoiceWhat is an atomic number?The sum of protons and neutrons in an atom.The sum of protons and electrons in an atom.The number of protons in an atom of a specific element.The number of neutrons in a specific element.
- 9. Multiple ChoiceThe atoms of any given element ____ have the same number of protons.sometimesalwaysnever
- 10. Multiple ChoiceEach element ___ its own atomic number.hasdoes not havesometimes has (depends on the element)
- 11. Multiple ChoiceWhat charge does a neutron have?positivenegativeno chargeneutral
- 12. Multiple ChoiceWhere are protons located in the atom?orbitalsnucleusringspositive
- 13. Multiple ChoiceWhere are electrons located in the atom?NucleusShells/orbitalsringscenter
- 14. Multiple ChoiceWhere are neutrons located in the atom?shells/orbitalsringscenternucleus
- 15. Multiple ChoiceThe number of protons plus neutrons.Mass numberMass WeightAtomic numberAtomic weight
- 16. Multiple Choiceall matter is made of whatenergyatomselectronscompounds
- 17. Multiple Choice
Which description about the proton is accurate?Positively charged particle with a mass less than 0 amuA neutrally charged particle with a mass less than 0 amuPositively charged particle with a mass of 1 amuA neutrally charge particle with a mass of 1 amu - 18. Multiple ChoiceElements can have the same number of protons?TrueFalse
- 19. Multiple ChoiceThe smallest unit of an element that still has the properties of that element.AtomAdamNucleusElement
- 20. Multiple Choicethe central region of an atom where its neutrons and protons are is itsnucleuselectron cloudcorecenter
- 21. Multiple ChoiceThe building blocks of matterMass NumberAtomsNobel GasesIsotopes
- 22. Multiple ChoicePositively Charged Particle
Mass: 1 amuProtonNeutonElectronIsotope - 23. Multiple ChoiceNeutral Charged Particle
Mass: 1 AmuProtonNeutronElectronIsotope - 24. Multiple ChoiceNegatively charged Particle
Mass: Almost NothingProtonsNeutronsElectronsIsotopes - 25. Multiple ChoiceThe total number of Protons and Neutrons.Mass NumberAtomic NumberMatterIon
- 26. Multiple ChoiceNumber of protons in an atom.Atomic NumberMass NumberIsotopeValence electrons
- 27. Multiple ChoiceElectrons in the outermost orbital.ProtonsNeutronsValence ElectronsIsotopes
- 28. Multiple ChoiceAn atom that has become charged by gaining or losing electrons.IonIsotopeElectronValence Electron
- 29. Multiple ChoiceAtoms of the same element but with different numbers of neutrons.IonIsotopeMass Numberelectron
- 30. Multiple ChoiceWhich description about the proton is accurate?Positively charged particle with a mass less than 0 amuA neutrally charged particle with a mass less than 0 amuPositively charged particle with a mass of 1 amuA neutrally charge particle with a mass of 1 amu
- Answer choicesTagsAnswer choicesTags