A Set of Waves Has a Speed of 4

question 92

Multiple Choice

A set of waves has a speed of 4.2 m/s and a frequency of 2.0 Hz.The wavelength is

• A)8.4 m
• B)2.1 m
• C)0.48 m
• D)0.84 m
• E)3.2 m

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Definitions:

Lewis Structures

Diagrams that represent the valence electrons of atoms within a molecule, showing how they are bonded together.

Double Bond

A chemical bond in which two pairs of electrons are shared between two atoms.

Lewis Structure

A representation of molecules where symbols for elements are used to represent nuclei and inner-shell electrons, and dots or dashes between symbols represent electron pairs forming covalent bonds.

Ammonia

A colorless gas with a distinct sharp smell, composed of nitrogen and hydrogen (NH3), used as a fertilizer, in cleaning products, and in the synthesis of various chemicals.