6/9/10 definitions unit 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Atom | Smallest part of an element.
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| Element | Made up of a group on one type of atom.
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| Ion | An atom with a charge.
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| Molecule | Covalently bonded group of atoms.
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| Compound | More than one element chemically bonded.
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| Empirical Formula | Simplest ratio of elements in a compound.
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| Molecular formula | Actual number of atoms that make up the molecule.
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| Relative Atomic mass | The average mass of its isotopes compared to a carbon-12 atom
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| Molar Mass | relative molecular or formula mass(gmol-1)
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| Amount of substance | Any elements relative mass in grams contains same the number of atoms as one mole of carbon-12
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| Relative Isotopic mass | mass of each isotope of an ELEMENT compares to on atom of C-12
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| Relative Molecular Mass | mass of each isotope of an COMPOUND compares to on atom of C-12
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| Steps in mass spectrometry | Vaporisation>ionisation>acceleration >deflection>detection
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| Relative Molecular mass ( from ms) | peak on ms with greatest m/z value.
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| Relative atomic mass ( from ms) | relative atomic abundance x relative isotopic mass/ total abundance
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Sonialancaster
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