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- 1. Multiple Choice
What is the smallest unit of an element called?elementsatomscompoundscells - 2. Multiple ChoiceWhat is the atomic mass of Neon?1020.1810.1830.18
- 3. Multiple ChoiceHow many protons are in Beryllium?4952
- 4. Multiple ChoiceHow many neutrons are in Beryllium?59413
- 5. Multiple ChoiceHow many electrons are in a Gold atom?79196118275
- 6. Multiple ChoiceHow many electrons does a Copper atom have?63299234
- 7. Multiple ChoiceThe majority of an atom's mass exists where?In the nucleusIn the electron cloudIn the space between the nucleus and the electronsIn the neutrons
- 8. Multiple ChoiceHow many protons are in this element?79196117Cannot be determined
- 9. Multiple ChoiceHow many electrons are in this element?196.967791170
- 10. Multiple ChoiceHow many electrons does potassium K contain?19392040
- 11. Multiple Choice___ are positively charged.ElectronsG-TronsProtonsNeutrons
- 12. Multiple ChoiceAtomic mass is ___.protons + neutronsprotons + neutrons + electronselectrons - neutrons(Pi2 - electrons) + protons / Up -Quarks∑-∯+≫≩≨≩⋣
- 13. Multiple ChoiceElectrons are NOT included in atomic mass.TrueFalse
- 14. Multiple ChoiceIn a neutral atom, electrons and __ balance.electronsprotonsneutronsEmmatrons
- 15. Multiple ChoiceThe number of ___ determines the element.electronsneutronsatomsprotons
- 16. Multiple ChoiceElements are grouped into ___, ___, and ___.protons, neutrons, electronsmetals, nonmetals, semimetalsmetalloids, liquids, nonliquidssolids, liquids, gasses
- 17. Multiple ChoiceThe most common element in the universe is___.oxygenheliumhydrogencarbon
- 18. Multiple ChoiceProtons have a ___ charge and electrons have a ___ charge.positive, negativenegative, positivepositive, positiveneutral, negative
- 19. Multiple ChoiceAn element's atomic number tells you the number of ___.elementshydrogenprotonselectrons
- 20. Multiple ChoicePotassium (K) is very reactive. This means that potassiumbonds easily with other elements.does not bond easily with other elements.bonds only with noble gasses.is only reactive with bananas .
- 21. Multiple ChoiceArgon(Ar) is a noble gas. Argon is inert. Argon is nonreactive. Argon ___will bond with inertswill only bonddoes not bond with other elementsis very reactive.
- 22. Multiple Choice____ are atoms of the same element with a different number of neutrons.IonsIsotopesAtomsAlkali Earth metals
- 23. Multiple ChoiceCarbon has 6 protons, 6 neutrons and 6 electrons. Carbon-14 has6 protons, 8 neutrons and 6 electrons.12 protons, 6 neutrons and 6 electrons.14 protons, 8 neutrons and 12 electrons.8 protons, 6 neutrons and 6 electrons.
- 24. Multiple ChoiceWhy is water NOT on the periodic table?It is naturally occuringIt is a compound, not an elementIt exists as a solid, a liquid, and a gasIts chemical formula doesn't fit
- 25. Multiple Choice________ are the COLUMNS on the periodic table and are organized by similar properties.ClassificationsGroupsPeriodsElements
- 26. 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.
- 27. Multiple ChoiceEach element is unique based on its number of protons, also known as the...atomic massvalence numberatomic symbolatomic number
- 28. Multiple ChoiceThe atomic number of this pictured element is2858.6934NiNickel
- 29. Multiple ChoiceWhat's a valence electron?electrons in the second energy levelelectrons in the outermost energy levelthe atomic numberelectrons in the first level
- 30. Multiple ChoiceIons are:atoms with a positive or negative chargeatoms with no chargeatoms with ONLY a positive chargeatoms with ONLY a negative charge
- 31. Multiple ChoiceWhen an atom loses a valence electron, it becomes a(n) _____________ ion.positivenegativeneutralpolyatomic
- 32. Multiple ChoiceNegative ions form when atoms _________ valence electrons.losegainshare
- 33. Multiple ChoiceAtoms that gain & lose electrons are called _________ionsisotopesradioactivecorrosive
- 34. Multiple ChoiceWhat is the charge of an atom that has lost one electron?-1-2+1+2
- 35. Multiple ChoiceHow many valence electrons does Nitrogen have?72510
- 36. Multiple ChoiceHow many electrons does Oxygen have as a neutral atom if it has 8 protons?86210
- 37. Multiple ChoiceWhen two atoms share electrons, a chemical bond is formed. This type of bond is called:covalent bondionic bondcrystal bondpolyatomic bond
- 38. Multiple ChoiceA covalent bond in which electrons are shared unequally is:polara double bondionicpolyatomic
- 39. Multiple ChoiceWhat type of compound consists of molecules that made of atoms that are covalently bonded?ioniccrystalnoncovalentmolecular
- 40. Multiple ChoiceAn ionic bond is the attraction between:oppositely charged ionssimilarly charged ionsneutral ionsneutral atoms
- 41. Multiple ChoiceIsotopes of an element have the same ___, but a different atomic mass.average atomic massatomic massatomic numbercolor
- 42. Multiple ChoiceWhy do atoms have an overall charge of zero?the number of electrons(-) equal the number of neutrons.the number of protons(+) equal the number of electrons(-).the number of protons(+) equal the number of neutrons.
- 43. Multiple ChoiceThe mass of the atom is the mass of the ___ and ___.protons and electronselectrons and protonsisotopes and electronsprotons and neutrons
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