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- 1. Multiple ChoiceHydrogenHHyHeHd
- 2. Multiple ChoiceHeliumH
He
HlHm - 3. Multiple ChoiceLithiumLLiLmLt
- 4. Multiple ChoiceBerylliumBBeBrBm
- 5. Multiple ChoiceBoronBBoBrBn
- 6. Multiple ChoiceCarbonCCaCbCo
- 7. Multiple ChoiceNitrogenNNiNtNg
- 8. Multiple ChoiceFluorineFFlFnFe
- 9. Multiple ChoiceNeonNNeNoNn
- 10. Multiple ChoiceSodiumS
So
NaAu - 11. Multiple ChoiceMagnesiumMMg
Mn
Md - 12. Multiple ChoiceAluminumAAlAgAu
- 13. Multiple ChoiceSiliconSSiWK
- 14. Multiple ChoiceSulfurSSuSiAg
- 15. Multiple ChoiceChlorineC
Cl
CuCo - 16. Multiple ChoiceArgonAArAlAg
- 17. Multiple ChoicePotassiumPPtKW
- 18. Multiple ChoiceCalciumCCaCuCo
- 19. Multiple Choice
Titanium
T
Ti
W
Hg
- 20. Multiple ChoiceChromiumCChCrCu
- 21. Multiple ChoiceManganeseMgMnMsM
- 22. Multiple ChoiceCobaltCCoCuCa
- 23. Multiple ChoiceBromineBBrBeBo
- 24. Multiple ChoiceIodineIIoFeHg
- 25. Multiple ChoiceTungstenTFeWHg
- 26. Multiple ChoicePlatinumPPlPtK
- 27. Multiple ChoiceGoldGAgAuHg
- 28. Multiple ChoiceRadiumRdRaRRm
- 29. Multiple ChoiceUraniumUUrHgK
- 30. Multiple Choice
How many carbon atoms are present? C2 + O2 ⇢ CO2
0
1
2
3
- 31. Multiple Choice
How many oxygen atoms are present? C2 + O2 ⇢ CO2
1
2
3
4
- 32. Multiple Choice
Select the symbols for the elements given:
Silver -a component in brazing rods & some solders
Si
Ag
Sv
Lv
- 33. Multiple Choice
Oxygen - oxyacetylene torches
O
Ox
Og
On
- 34. Multiple Choice
Phosphorous - found in brazing rods
Ph
Po
Ps
P
- 35. Multiple Choice
Tin - a large component of solder
Sb
Ti
Sn
Tn
- 36. Multiple Choice
Antimony - a large component of solder
Sb
Sn
An
At
- 37. Multiple Choice
Copper - used for making pipe & fittings
Co
Cp
Cr
Cu
- 38. Multiple Choice
Iron - for steel & other iron products
Fe
Fr
Ir
In
- 39. Multiple Choice
Zinc - makes iron "galvanized"
Zi
Zn
Zc
Z
- 40. Multiple Choice
Nickel - for plating faucets
N
Nc
Nk
Ni
- 41. Multiple Choice
Lead - for caulked joints
Ld
Le
Pb
Pd
- 42. Multiple Choice
Mercury - used in old thermostats
Hg
Me
My
Hy
- 43. Multiple Choice
What letter of the alphabet does not appear in any chemical symbols?
Z
J
L
X
- 44. Multiple Choice
What element has the chemical symbol Po?
Plutonium
Promethium
Protactinium
Polonium
- 45. Multiple Choice
Who first developed the periodic table?
Newton
Einstein
Mendeleev
Rutherfor
- 46. Multiple Choice
Which element had the original name 'plumbum"?
Lead
Platinium
Plutonium
Uranium
- 47. Multiple Choice
How many of the 118 elements are naturally occurring?
60
All 118
92
102
- 48. Multiple Choice
Which of the following is NOT a noble gas?
Helium
Xenon
Oxygen
Neon
- 49. Multiple ChoiceHow many elements are in C6H12O6?1234
- 50. Multiple ChoiceHow many atoms of carbon (C) are in C6H12O6?361224
- 51. Multiple ChoiceElement or compound?
H2Oelementcompound - 52. Multiple ChoiceWhich of the following is a compound?CoO2CCO2
- 53. Multiple ChoiceHow many atoms are there TOTAL in:
H2SO46573 - 54. Multiple Choice
The blue atoms are calledmetalsnonmetalsmetalloidsnoble gases - 55. Multiple ChoiceThe atoms along the staircase are calledmetalsnonmetalsmetalloidsnoble gases
- 56. Multiple ChoiceAll of the following are chemical changes exceptiron rustingwater evaporatingwood burningfood rotting
- 57. Multiple ChoiceWhat does Xe stand for?xenonmercuryradon
- 58. Multiple ChoiceWhat does Sr stand for?strontiumtinsilver
- 59. Multiple ChoiceKr stands for...potassiumkryptonchromium
- 60. Multiple ChoiceBa stands for...bariumbromineboron
- 61. Multiple ChoiceA way to show the number and type of elements (atoms) in a molecule or compound with a combination of symbols and numbers.MoleculeChemical formulaPhysical changeCoefficient
- 62. Multiple ChoiceWhat is the atomic number for flourine?7917
- 63. Multiple ChoiceWhat is the atomic number for nitrogen?71415
- 64. Multiple ChoiceWhat is the chemical symbol for Gallium?GGaGlGm
- 65. Multiple ChoiceWhat is the chemical symbol for Germanium?GGrGeGn
- 66. Multiple ChoiceWhat is the chemical symbol for arsenic?AArAsAc
- 67. Multiple ChoiceWhat is the chemical symbol for Selenium?SSeSlSn
- 68. Multiple ChoiceWhat is the chemical symbol for Rubidium?RRuRbRd
- 69. Multiple ChoiceWhat is the chemical symbol for Radon?RRaRdRn
- 70. Multiple Choice
All of the following are chemical families EXCEPT ___.
Gases
Halogens
Noble gases
Alkali metals
- 71. Multiple Choice
Why are the elements in Group 8A (18) called Noble gases?
They were discovered by the royal family.
They are more valuable than other gases.
They rarely take part in a reaction.
They are highly reactive.
- 72. Multiple Choice
Why are these elements referred to as Representative Elements?
they all have the same chemical properties
they react in similar ways
they display a wide range of chemical properties
they have no chemical properties
- 73. Multiple Choice
What is the name of this chemical family?
Noble gases
representative elements
alkali metals
alkali earth metals
- 74. Multiple Choice
The element symbol for iron includes the number 55.845. What is this number called?
atomic number
atomic mass
atomic configuration
atomic element
- 75. Multiple ChoiceHow did Mendeleev arrange the elements?alphabeticaldensitymelting pointatomic mass
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