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Be element12/24/2023 ![]() One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol.įor 12C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. One atomic mass unit is equal to 1.66 x 10 -24 grams. The unit of measure for mass is the atomic mass unit (amu). Units of measure have been defined for mass and energy on the atomic scale to make measurements more convenient to express. The size and mass of atoms are so small that the use of normal measuring units, while possible, is often inconvenient. ![]() Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. The atomic mass is carried by the atomic nucleus, which occupies only about 10 -12 of the total volume of the atom or less, but it contains all the positive charge and at least 99.95% of the total mass of the atom. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. Choose whatever font-sizes and media queries you wish.The atomic mass is the mass of an atom. Bootstrap doesn’t do this for you, but it’s fairly easy to add if you need it. Responsive typography refers to scaling text and components by simply adjusting the root element’s font-size within a series of media queries. Nesting Nested definition list Aenean posuere, tortor sed cursus feugiat, nunc augue blandit nunc. Truncated term is truncated Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. ![]() Malesuada porta Etiam porta sem malesuada magna mollis euismod. Donec id elit non mi porta gravida at eget metus. Euismod Vestibulum id ligula porta felis euismod semper eget lacinia odio sem nec elit. Description lists A description list is perfect for defining terms. initialism to an abbreviation for a slightly smaller font-size. Abbreviations have a default underline and gain a help cursor to provide additional context on hover and to users of assistive technologies.Īdd. Stylized implementation of HTML’s element for abbreviations and acronyms to show the expanded version on hover. Text utilitiesĬhange text alignment, transform, style, weight, and color with our text utilities and color utilities. is meant to highlight words or phrases without conveying additional importance while is mostly for voice, technical terms, etc. While not shown above, feel free to use and in HTML5. small classes are also available to apply the same styles as and while avoiding any unwanted semantic implications that the tags would bring. This line of text will render as underlined This line of text is meant to be treated as fine print. This line of text is meant to be treated as an addition to the document. This line of text is meant to be treated as no longer accurate. This line of text is meant to be treated as deleted text. You can use the mark tag to highlight text. h6 classes are also available, for when you want to match the font styling of a heading but cannot use the associated HTML element. HeadingsĪll HTML headings, through, are available. These styles can be found within _reboot.scss, and the global variables are defined in _variables.scss. Use $body-bg to set a background-color on the ( #fff by default).Set the global link color via $link-color and apply link underlines only on :hover. ![]()
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