chem words 4 im Word Scramble
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Question | Answer |
Atom | Smallest part of an element. |
Element | Made up of a group on one type of atom. |
Ion | An atom with a charge. |
Molecule | Covalently bonded group of atoms. |
Compound | More than one element chemically bonded. |
Empirical Formula | Simplest ratio of elements in a compound. |
Molecular formula | Actual number of atoms that make up the molecule. |
Relative Atomic mass | The average mass of its isotopes compared to a carbon-12 atom |
Molar Mass | relative molecular or formula mass(gmol-1) |
Amount of substance | Any elements relative mass in grams contains same the number of atoms as one mole of carbon-12 |
Relative Isotopic mass | mass of each isotope of an ELEMENT compares to on atom of C-12 |
Relative Molecular Mass | mass of each isotope of an COMPOUND compares to on atom of C-12 |
Steps in mass spectrometry | Vaporisation>ionisation>acceleration >deflection>detection |
Relative Molecular mass ( from ms) | peak on ms with greatest m/z value. |
Relative atomic mass ( from ms) | relative atomic abundance x relative isotopic mass/ total abundance |
Created by:
Sonialancaster
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