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- 1. Multiple ChoiceThe positively charged particle in the center of an atom is called the ___.protonelectronneutronquark
- 2. Multiple ChoiceThe electron has a ___.negative chargeneutral chargepositive chargestatic charge
- 3. Multiple Choice
Where is most of the MASS of an atom located?
In the nucleus
Electron cloud
In the electron
Evenly spread throughout the atom
- 4. Multiple ChoiceWhich statement correctly describes the relative masses of subatomic particles?Protons and neutrons have almost equal masses, and electrons have a much smaller mass.Neutrons and electrons have almost equal masses, and protons have a much larger mass.Protons, neutrons, and electrons all have roughly the same masses.Electrons and protons have the same masses, and neutrons have no mass.
- 5. Multiple ChoiceWhich electrical charge does a neutron have?neutralalternating between positive and negativenegativepositive
- 6. Multiple ChoiceWhich of the following is NOT a type of subatomic particle?plasmidsprotonneutronelectron
- 7. Multiple ChoiceWhich two types of atomic particles carry an electrical charge?protons and electronsquarks and neutronsneutrons and electronsprotons and neutrons
- 8. Multiple ChoiceWhat is the correct ordering of these small parts of matter, from the smallest to the largest?electron < proton < atomelectron < atom < protonatom < electron < protonproton < atom < electron
- 9. Multiple ChoiceWhich two particles are in the atomic nucleus?protons and neutronsneutrinos and electronsneutrons and ionselectrons and protons
- 10. Multiple ChoiceThe atom has an overall ___.neutral chargenegative chargepositive chargestatic charge
- 11. Multiple Choice
The NUCLEUS of an atom has an overall ___.
positive charge
negative charge
neutral charge
static charge
- 12. Multiple Choice
Which part of the atom accounts for the majority of its volume? (SIZE, not mass)
Electron Cloud
Nucleus
Number of protons
Number of neutrons
- 13. Multiple ChoiceThe atomic number of an element that has 6 protons and 8 neutrons is ___.62814
- 14. Multiple ChoiceWhat distinguishes each element from all others, and gives it unique physical and chemical properties?The number of protonsThe number of neutronsThe electron configurationThe element's universal origin
- 15. Multiple ChoiceWhat does the atomic number of an element indicate?the number of protonsthe number of orbitalsthe number of isotopesthe number of neutrons
- 16. Multiple ChoiceWhat is the correct description of the isotope of oxygen that is atomic number 8 and has a mass of 14?It has 8 protons, 6 neutronsIt has 14 neutrons, and 6 protonsIt has 8 neutrons, and 6 protonsIt has 14 protons, and 8 neutrons
- 17. Multiple Choice
Which of the following list the elements in order, from those having the LEAST protons to those having the MOST protons in the atoms?
O, S, Se, Te
Rb, K, Na, Li
Na, S, Al, Cl
O, N, B, Li
- 18. Multiple ChoiceFluorine is atomic number 9, and has a mass of 19. How many electrons would it have?961910
- 19. Multiple ChoiceFluorine is atomic number 9, and has a mass of 19. How many protons would it have?961910
- 20. Multiple ChoiceFluorine is atomic number 9, and has a mass of 19. How many neutrons would it have?961910
- 21. Multiple ChoiceIf an atom temporarily gains or loses one or more electrons, it is considered a/an ___.ionisotopenew elementmetalloid
- 22. Multiple ChoiceIf an atom temporarily gains or loses one or more neutrons, it is considered a/an ___.ionisotopenew elementmetalloid
- 23. Multiple ChoiceIf an atom temporarily gains or loses one or more protons, it is considered a/an ___.ionisotopenew elementmetalloid
- 24. Multiple Choice
What is the symbol for the ion that has 17 protons and 18 electrons?
Cl-
Cl+
Ar+
Ar-
- 25. Multiple ChoiceIn modern atomic models, where are electrons found?In an electron cloudIn the nucleusBetween protons and neutronsFloating freely between atoms
- Answer choicesTagsAnswer choicesTags