The gemstone called aquamarine is composed of aluminum,...

Name: Problem 33, Chapter 1: Chemistry and Chemical Reactivity
Uploaded: 2020-06-04T12:21:43-08:00
Duration: 3 min 13 s
Channel: Pahk Thepchatri
Description: The gemstone called aquamarine is composed of aluminum, silicon, and oxygen. (FIGURE CAN'T COPY) (a) What are the symbols of the three elements that combine to make the gem aquamarine? (b) Based on the photo, describe some of the physical properties of the elements and the mineral. Are any the same? Are any properties different?

The gemstone called aquamarine is composed of aluminum, silicon, and oxygen. (FIGURE CAN'T COPY) (a) What are the symbols of the three elements that combine to make the gem aquamarine? (b) Based on the photo, describe some of the physical properties of the elements and the mineral. Are any the same? Are any properties different?

The gemstone called aquamarine is composed of aluminum, silicon, and oxygen.
(FIGURE CAN'T COPY)
(a) What are the symbols of the three elements that combine to make the gem aquamarine?
(b) Based on the photo, describe some of the physical properties of the elements and the mineral. Are any the same? Are any properties different?

Key Concepts

Periodic Table Symbols

Elements are represented by standardized symbols in the periodic table. For example, aluminum is denoted as Al, silicon as Si, and oxygen as O. These symbols allow scientists to concisely communicate chemical composition.

Chemical Composition of Minerals

Minerals are naturally occurring solids with a defined chemical composition. Aquamarine, as a gemstone, is composed of specific elements (including aluminum, silicon, and oxygen) arranged in a consistent crystal structure, forming a unique chemical formula.

Physical Properties of Elements

Elements have intrinsic physical properties such as color, melting point, and malleability. These properties are inherent to each element in its pure form and can differ significantly from those exhibited when the elements are combined in compounds.

Physical Properties of Minerals

Minerals display physical properties that include hardness, cleavage, luster, and specific crystal structures. These attributes are important for mineral identification and are determined by the mineral's internal atomic arrangement and bonding.

Comparison of Physical Properties

Comparing the physical properties of individual elements with those of a resultant mineral involves analyzing similarities and differences in appearance, hardness, and bonding characteristics. Such comparisons help in understanding how the combination of elements can alter properties and yield materials with distinct characteristics from their constituent elements.

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