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- Multiple ChoicePlease save your changes before editing any questions.What is at the center of every atom?An electronA compoundA moleculeA nucleus
- Multiple ChoicePlease save your changes before editing any questions.Which two particles make up the nucleus of an atom?Protons and ElectronsProtons and NeutronsMolecules and CompoundsNeutrons and Electrons
- Multiple ChoicePlease save your changes before editing any questions.In 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.
- Multiple ChoicePlease save your changes before editing any questions.
The particles with no charge in an atom are the _______.electronsneutronsprotonsprotons and neutrons - Multiple ChoicePlease save your changes before editing any questions.The positively charged particles of an atom are the ________.electronsprotonsneutronsprotons & neutrons
- Multiple ChoicePlease save your changes before editing any questions.The negatively charged particles of an atom are the ______.electronsprotonsneutronsprotons & neutrons
- Multiple ChoicePlease save your changes before editing any questions.An electron has this chargepositivenegativeneutral
- Multiple ChoicePlease save your changes before editing any questions.A neutron has this chargenegativepositiveneutral
- Multiple ChoicePlease save your changes before editing any questions.A proton has this chargenegativepositiveneutral
- Multiple ChoicePlease save your changes before editing any questions.A particle that moves around the nucleus is a(n)...ProtonNeutronElectronQuark
- Multiple ChoicePlease save your changes before editing any questions.The center of an atom that holds protons and neutrons?modelelectronnucleusneutron
- Multiple ChoicePlease save your changes before editing any questions.What does the nucleus of an atom contain?Electrons and neutronsProtons and neutronsNeutrinos and positronsDNA and RN
- Multiple ChoicePlease save your changes before editing any questions.What number indicates an electron?1234
- Multiple ChoicePlease save your changes before editing any questions.What number indicates the nucleus?1234
- Multiple ChoicePlease save your changes before editing any questions.Which element has 31 protons ?GalliumGermaniumGadoliniumPolonium
- Multiple ChoicePlease save your changes before editing any questions.What is the mass number?the number of protonsthe sum of the number of protons and the number of neutrons in the nucleus of an atomthe number of electronsthe number of neutrons
- Multiple ChoicePlease save your changes before editing any questions.What is the atomic number?number of protonsnumber of neutrons
- Multiple ChoicePlease save your changes before editing any questions.Which element has 31 protons ?GalliumGermaniumGadoliniumPolonium
- Multiple ChoicePlease save your changes before editing any questions.Oxygen’s atomic number is 8. This means that an oxygen atom must have8 electrons8 protons8 neutronsa mass number of 8
- Multiple ChoicePlease save your changes before editing any questions.What is the mass number of this element?5273259