SpletThe average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance (the decimal associated with percent of atoms of that element that are of a given isotope). Splet06. apr. 2024 · None of these. 1 mole of carbon is burnt in 16 g of dioxygen. 56 g. 3.011∗1022 atoms of an element weighs 1.15 g. The atomic mass of the element is: a) 10amu For elements b) 2.3amu Number of moles = mass given / gram atomic mass c) 35.5amu d) 23amu.
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Splet22. mar. 2024 · The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data … mina cns curt newbury
3.4: Atomic Mass and Atomic Number - Chemistry LibreTexts
Splet19. okt. 2015 · If you have mass number and atomic number, subtract the atomic number from the mass number to get the number of neutrons. ("Mass number") - ("atomic number")="number of neutrons". There are: 9 protons 9 electrons 10 neutrons Fluorine is the element in question, as its atomic number is 9. You would name this particular isotope … SpletFind step-by-step Biology solutions and your answer to the following textbook question: The identity of an element is determined by (a) the mass of the atom (b) the number of … Splet16. apr. 2024 · Mass number is an integer (whole number) equal to the sum of the number of protons and neutrons of an atomic nucleus. In other words, it is the sum of the number of nucleons in an atom. Mass number … mina clothing los angeles