Pangea: The Supercontinent
Pangea is a supercontinent that existed from 335 to 175 million years ago, it was the most recent supercontinent as tectonic plates reorganized to form…
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Albino And White Squirrels
White squirrels, sometimes misidentified as albino squirrels are more commonplace in Asia but they do appear in certain geographic regions of North America. Sometimes albino…
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Homologous Structures: Definition And Examples
A homologous structure is a similar structure that can be found in very different animals, often pointing towards a common ancestor. When animals look very…
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Life Cycle Of A Frog: From Tadpole To Frog
The life cycle of a frog, known as metamorphosis, is the transition of a tadpole to an adult frog. The life cycle starts with an egg,…
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How To Convert Moles To Molecules With Examples
To convert moles to molecules you will need to use two equations and have at hand Avagadro’s number and the number of moles in your…
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Color-Coded Periodic Table
The color-coded periodic table is a tabular representation of the different chemical elements. Elements in the periodic table can be color-coded together according to atomic…
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Mechanical Isolation: Examples And Definition
Mechanical isolation is a form of reproductive isolation that prevents two different species from interbreeding with one another. Along with gametic isolation, temporal isolation, ecological…
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4 Properties Of Metalloids
Metalloids are elements found between the metals and nonmetals on the periodic table of the elements. They are also called semimetals. Metalloids have properties that…
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The Formal Charge Of NO3- (Nitrate)
Nitrate, chemical formula NO3, has a chemical charge of -1. Ion nitrates have a negative one formal charge. You may be wondering why this is…
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The Periodic Table Of Metals And Nonmetals
The periodic table of metals and nonmetals can be broken down to give you a sense of each element’s characteristics. Metals, nonmetals, and metalloids make…
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Ionic Radius Trend
The ionic radius of an atom is a measurement of the atom’s ion when the atom is within a crystal lattice. The ionic radius is…
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