Chemistry 130 Test #3

Descripción

This is review for Glendale Community College Chem 130 test#3
forthebuckle
Test por forthebuckle, actualizado hace más de 1 año
forthebuckle
Creado por forthebuckle hace más de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
What is the name of the element Ba? [blank_start]Barium[blank_end] Co? [blank_start]Cobalt[blank_end] I? [blank_start]Iodine[blank_end] Cu? [blank_start]Copper[blank_end] Fe? [blank_start]Iron[blank_end] Pb? [blank_start]Lead[blank_end] Hg? [blank_start]Mercury[blank_end] Ag? [blank_start]Silver[blank_end] Au? [blank_start]Gold[blank_end] Zn? [blank_start]Zinc[blank_end] Sn? [blank_start]Tin[blank_end] Sr? [blank_start]Strontium[blank_end] Ni? [blank_start]Nickel[blank_end] Br? [blank_start]Bromine[blank_end]
Respuesta
  • Barium
  • Cobalt
  • Iodine
  • Copper
  • Iron
  • Lead
  • Mercury
  • Silver
  • Gold
  • Zinc
  • Tin
  • Strontium
  • Nickel
  • Bromine

Pregunta 2

Pregunta
Alkali metals always form ________ ions
Respuesta
  • +1
  • -1
  • +2
  • +4/-4

Pregunta 3

Pregunta
Group IIA elements always form _______ ions
Respuesta
  • -2
  • +3
  • +1
  • +2

Pregunta 4

Pregunta
Group IIIA elements usually form _______ ions
Respuesta
  • -4
  • +5
  • -2
  • +3

Pregunta 5

Pregunta
Ag always forms a ______ ion
Respuesta
  • +1
  • -1
  • +2
  • -4

Pregunta 6

Pregunta
Zn and Cd always form a ________ ion
Respuesta
  • -
  • +2
  • +3
  • It has no charge

Pregunta 7

Pregunta
The [blank_start]Stock[blank_end] system is used to name most transition meatls and other metals that can have various charges. Chemists use a [blank_start]Roman Numeral[blank_end] to tell them apart.
Respuesta
  • Stock
  • Roman Numeral

Pregunta 8

Pregunta
Fe can be Fe(II) or Fe (III)
Respuesta
  • True
  • False

Pregunta 9

Pregunta
Pb can be Pb (III) or Pb (IV)
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Sn stands for Strontium
Respuesta
  • True
  • False

Pregunta 11

Pregunta
Sn can be Sn (II) or Sn (IV)
Respuesta
  • True
  • False

Pregunta 12

Pregunta
Predict the formula: Lithium Sulfide [blank_start]Li2S[blank_end]
Respuesta
  • Li2S

Pregunta 13

Pregunta
Predict the formula: Potassium acetate [blank_start]KC2H3O2[blank_end]
Respuesta
  • KC2H3O2

Pregunta 14

Pregunta
Predict the formula: Gold (II) Nitrite [blank_start]Au(NO2)2[blank_end]
Respuesta
  • Au(NO2)2

Pregunta 15

Pregunta
Write the compound name of CO2 [blank_start]carbon dioxide[blank_end]
Respuesta
  • carbon dioxide

Pregunta 16

Pregunta
Write the compound name of Cl2O7 [blank_start]dichlorine heptaoxide[blank_end]
Respuesta
  • dichlorine heptaoxide

Pregunta 17

Pregunta
Diatomic elements are only diatomic then they are alone
Respuesta
  • True
  • False

Pregunta 18

Pregunta
The Law of [blank_start]Conservation of Mass[blank_end] tells us that the number of atoms (and the mass) of each element must be equal on both sides of the equation.
Respuesta
  • Conservation of Mass

Pregunta 19

Pregunta
Write the formula for Ammonium Nitrate: [blank_start]NH4NO3[blank_end]
Respuesta
  • NH4NO3

Pregunta 20

Pregunta
Write the formula for Strontium Nitrite: [blank_start]Sr(NO2)2[blank_end]
Respuesta
  • Sr(NO2)2

Pregunta 21

Pregunta
Write the name for the compound PbSO4 : [blank_start]Lead (II) Sulfate[blank_end]
Respuesta
  • Lead (II) Sulfate

Pregunta 22

Pregunta
Describe the solubility of the compound PbBr and the rule followed
Respuesta
  • Soluble, Strong Electrolyte, Rule #3
  • Soluble, Strong Electrolyte, Rule #4
  • Insoluble, Weak Electrolyte, Rule #4
  • Insoluble, Strong Electrolyte, Rule #2

Pregunta 23

Pregunta
Select the following element that will react with H20
Respuesta
  • N
  • Fe
  • Rb
  • Ar
  • O

Pregunta 24

Pregunta
Collision Energy is also called: [blank_start]Activation Energy[blank_end]
Respuesta
  • Activation Energy

Pregunta 25

Pregunta
A [blank_start]catalyst[blank_end] can be added to a collision to increase the speed of a reaction
Respuesta
  • catalyst

Pregunta 26

Pregunta
A catylyst can be located on a reaction profile by looking for:
Respuesta
  • The distance between the beginning and end of the reaction
  • An exothermic reaction
  • The transition state
  • The dashed line

Pregunta 27

Pregunta
Avogardos Number is
Respuesta
  • 1 mole
  • 22.4
  • The total of the molar mass of the compound or element
  • 6.02 x 10^23

Pregunta 28

Pregunta
The molar mass, including units, of Al2(SO4)3 is: [blank_start]342.17g[blank_end]
Respuesta
  • 342.17g
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