Source: Black, S., (2019), Digital montage.
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Brief, basic information laid out in an easy-to-read format. May use informal language. (Includes most news articles)
Provides additional background information and further reading. Introduces some subject-specific language.
Lengthy, detailed information. Frequently uses technical/subject-specific language. (Includes most analytical articles)
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"Introduction video on the periodic table being explained to chemistry school & science students . The video explains how there are 92 naturally occurring elements, one for each kind of atom, and how they are arranged into a table according to their relative weights. The expanded table is shown, and how this is abbreviated into the common Periodic Table. The division between metals, semi-metals and non-metals is discussed, with notable examples. It also shows how the elements are arranged in rows and groups, the latter containing elements with similar properties, like members of a family. " (AtomicSchool, 2014)
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In text reference / citation: AtomicSchool, (2014) or (AtomicSchool, 2014)
Bibliography / Reference list: AtomicSchool, (2014). Periodic Table Explained: Introduction, [eVideo]. AtomicSchool. Retrieved from https://youtu.be/uPkEGAHo78o
The vertical column (or list) of elements in the periodic table groups elements with the same characteristics. For example 'Group 1 includes hydrogen and the alkali metals, which have one electron in their outermost s sub-shell." (Royal College of Chemistry, n.d.). See the following resources for more information on groups.
"In chemistry, the term period refers to a horizontal row of the periodic table. Elements in the same period all have the same highest unexcited electron energy level or same ground state energy level. In other words, each atom has the same number of electron shells... Period 8 consists solely of yet-to-be-discovered synthetic elements. Period 8 is not found on the typical periodic table, but does show up on extended periodic tables." (Helmenstine, 2018)