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This is review for Glendale Community College Chem 130 test#3

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Chemistry 130 Test #3

Chemistry 130 Test #3

Question 1 of 28

7

Fill the blank spaces to complete the text.

What is the name of the element Ba?
Co?
I?
Cu?
Fe?
Pb?
Hg?
Ag?
Au?
Zn?
Sn?
Sr?
Ni?
Br?

Explanation

Question 2 of 28

1

Alkali metals always form ________ ions

Select one of the following:

  • +1

  • -1

  • +2

  • +4/-4

Explanation

Question 3 of 28

1

Group IIA elements always form _______ ions

Select one of the following:

  • -2

  • +3

  • +1

  • +2

Explanation

Question 4 of 28

1

Group IIIA elements usually form _______ ions

Select one of the following:

  • -4

  • +5

  • -2

  • +3

Explanation

Question 5 of 28

1

Ag always forms a ______ ion

Select one of the following:

  • +1

  • -1

  • +2

  • -4

Explanation

Question 6 of 28

1

Zn and Cd always form a ________ ion

Select one of the following:

  • -

  • +2

  • +3

  • It has no charge

Explanation

Question 7 of 28

1

Fill the blank spaces to complete the text.

The system is used to name most transition meatls and other metals that can have various charges. Chemists use a to tell them apart.

Explanation

Question 8 of 28

1

Fe can be Fe(II) or Fe (III)

Select one of the following:

  • True
  • False

Explanation

Question 9 of 28

1

Pb can be Pb (III) or Pb (IV)

Select one of the following:

  • True
  • False

Explanation

Question 10 of 28

1

Sn stands for Strontium

Select one of the following:

  • True
  • False

Explanation

Question 11 of 28

1

Sn can be Sn (II) or Sn (IV)

Select one of the following:

  • True
  • False

Explanation

Question 12 of 28

1

Fill the blank space to complete the text.

Predict the formula: Lithium Sulfide

Explanation

Question 13 of 28

1

Fill the blank space to complete the text.

Predict the formula: Potassium acetate

Explanation

Question 14 of 28

1

Fill the blank space to complete the text.

Predict the formula: Gold (II) Nitrite

Explanation

Question 15 of 28

1

Fill the blank space to complete the text.

Write the compound name of CO2

Explanation

Question 16 of 28

1

Fill the blank space to complete the text.

Write the compound name of Cl2O7

Explanation

Question 17 of 28

1

Diatomic elements are only diatomic then they are alone

Select one of the following:

  • True
  • False

Explanation

Question 18 of 28

1

Fill the blank space to complete the text.

The Law of tells us that the number of atoms (and the mass) of each element must be equal on both sides of the equation.

Explanation

Question 19 of 28

1

Fill the blank space to complete the text.

Write the formula for Ammonium Nitrate:

Explanation

Question 20 of 28

1

Fill the blank space to complete the text.

Write the formula for Strontium Nitrite:

Explanation

Question 21 of 28

1

Fill the blank space to complete the text.

Write the name for the compound PbSO4 :

Explanation

Question 22 of 28

1

Describe the solubility of the compound PbBr and the rule followed

Select one of the following:

  • Soluble, Strong Electrolyte, Rule #3

  • Soluble, Strong Electrolyte, Rule #4

  • Insoluble, Weak Electrolyte, Rule #4

  • Insoluble, Strong Electrolyte, Rule #2

Explanation

Question 23 of 28

1

Select the following element that will react with H20

Select one of the following:

  • N

  • Fe

  • Rb

  • Ar

  • O

Explanation

Question 24 of 28

1

Fill the blank space to complete the text.

Collision Energy is also called:

Explanation

Question 25 of 28

1

Fill the blank space to complete the text.

A can be added to a collision to increase the speed of a reaction

Explanation

Question 26 of 28

1

A catylyst can be located on a reaction profile by looking for:

Select one of the following:

  • The distance between the beginning and end of the reaction

  • An exothermic reaction

  • The transition state

  • The dashed line

Explanation

Question 27 of 28

1

Avogardos Number is

Select one of the following:

  • 1 mole

  • 22.4

  • The total of the molar mass of the compound or element

  • 6.02 x 10^23

Explanation

Question 28 of 28

1

Fill the blank space to complete the text.

The molar mass, including units, of Al2(SO4)3 is:

Explanation

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