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14 Cards in this Set
- Front
- Back
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Protons are? |
P 1 +1 |
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Neutrons are? |
n 1 +0 |
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Electrons are? |
e- 1/1840 -1 |
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Isotopes are? |
Atoms of the same element with a different number of neutrons |
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Relative atomic mass is? |
The weighted average mass of an atom of an element compared to 1/12 of the mass of an atom of carbon12 Ar |
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Relative isotopic mass is? |
The mass of an individual atom of a particular isotope,relative to 1/12 of the mass of an atom of carbon12 |
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What is the molecular ion peak? |
The peak with the highest m/z ratio in the mass spectrum |
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What does a mass spectrometer measure? |
The masses of atoms and molecules |
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How does a mass spectrometer work? |
1) bombarding a sample with electrons to knock electrons off and make the sample positive ions 2) accelerated the + ions down a tube using magnets 3) deflects the + ions around a bend at different speeds according to their mass 4) detects the atoms at the other end |
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What does an s orbital look like? |
A sphere |
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What does a p orbital look like? |
A figure of 8 |
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How many electrons in the s subshell |
2 |
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How many electrons in the p orbital? |
6 (3x2) |
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How many electrons in the d orbital? |
10 (5x2) |
