Arrange the Following Events in Chronological Order: (A) Arab Oil

question 58

Multiple Choice

Arrange the following events in chronological order: (A) Arab oil embargo, (B) Iranian hostage crisis, (C) fall of Saigon, (D) invasion of Afghanistan.

• A) B, A, C, D
• B) A, C, B, D
• C) D, B, A, C
• D) C, B, D, A
• E) D, A, C, B

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Definitions:

Molecular Formula

A notation that shows the number and type of atoms in a molecule, without indicating how they are connected.

Elemental Analysis

A method of measuring the relative amounts of each element within a chemical sample.

Empirical Formula

The simplest positive integer ratio of atoms present in a compound, not providing structural information but indicating the proportion of elements.

Molecular Formula

A molecular formula represents the number and type of atoms in a molecule, indicating the composition of the molecule without showing its structure.