Concepts in Chemistry
How're the orbitals in an atom arranged? The orbitals in an atom are arranged according to energy levels, and in these energy levels the orbitals are ordered s, p, d, and f. And the higher the …
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The subatomic particles are: protons, neutrons and electrons. And they are related to one another by their mass and charge. The properties of these particles are summarized in the table below. …
What's Density? Density is the amount of matter (mass) packed in a given amount of space called volume. Mathematically, density (D) is expressed as a ratio of mass (m) to volume (v). Thus, D …
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What major factor can affect the changes matter undergo? The major factor that can affect changes matter undergo is Energy. How does Energy interact with matter? No-one knows exactly what energy is, …
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How to convert from one unit to another To learn how to convert from one unit to another right away, click here. If you want to review some basic rules in unit conversions, read on. What math …
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What're SI units? The SI units stands for the International System of Units (SI) and consists of seven physical quantities and seven base units. These quantities and units are summarized in table 1 …
