Express the Sum Using Summation Notation $\sum _ { k = 1 } ^ { 6 } ( - k )$

question 6

Multiple Choice

Express the sum using summation notation.
- $\sum _ { k = 1 } ^ { 6 } ( - k )$

• A) \(- 5\)
• B) \(- 30\)
• C) \(- 6\)
• D) \(- 21\)

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Definitions:

Double Bond

A chemical bond between two chemical elements involving four bonding electrons instead of the usual two.

Major Product

The main substance produced in the greatest quantity from a chemical reaction.

Stereoisomeric Forms

Different forms of a compound that have the same structural formula but different arrangements of atoms in space.

Allylic Bromides

Organic compounds containing a bromine atom bonded to an allylic position, which is one carbon away from a double bond in a hydrocarbon chain.