Dissociation: When sodium chloride (NaCl) dissolves in water, it dissociates into sodium ions (Na+) and chloride ions (Cl-).
Dispersion: Light passing through a prism disperses into different colors due to the varying refractive index of each color - this is known as dispersion.
Ionization: When an electron is removed from a neutral hydrogen atom, it becomes an ionized hydrogen atom (H+).
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Ionization energy generally increases across a period as a result of a higher nuclear charge, however there are some exceptions such as Boron which has a lower ionization energy than Beryllium (because it is in a P orbital), and Oxygen which has a lower ionization energy than nitrogen (Because ionization decreases the electron electron repulsion in its orbitals).
Selenium has a moderate first ionization energy, with a value of 941 kJ/mol. This means that it requires some energy to remove the outermost electron from a selenium atom.
called dispersion, and it describes how a phenomenon or substance is distributed across that specific geographic region. Dispersion can vary in intensity, with some areas showing more concentrated distribution while others exhibit a more scattered pattern. Understanding dispersion is crucial in analyzing the spatial relationships and patterns of the phenomenon in question.
Some examples of phenols include phenol itself (hydroxybenzene), cresol, guaiacol, and catechol. These compounds contain a hydroxyl group attached to a benzene ring.
An example of a chemical property is reactivity, which refers to how a substance undergoes chemical reactions to form new substances. For instance, the ability of iron to rust when exposed to oxygen is a chemical property that showcases its reactivity.