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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is an element |
A substance that can't be broken down into any simpler substances. |
Can't be broken down.... |
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What is a compound |
Two or more different atoms chemically joined together. |
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What is a mixture |
A mixture of atoms. It is not a pure substance |
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What are sub atomic particles |
Particles inside an atom |
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Name sub atomic particles |
Protons, neutrons, electrons |
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Charge of protons |
Positive charge |
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Charge of electrons |
Negative charge |
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Charge of neutrons |
Neutral charge |
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Location of proton |
Inside nucleus |
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Location of electron |
Outside nucleus |
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Location of neutron |
Inside nucleus |
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What is the atomic number |
The number of protons or electrons in an element. |
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What is the Mass number |
Atomic number plus Neutron number. |
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Nuclide Notation |
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What is an isotope |
Isotopes are elements with the same atomic number but different mass number. |
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Valency pictures |
Examples |
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Cross over method (finding the formula) |
SVSDF |
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Page 8 of data booklet exceptions |
Ammonium & Hydroxide |
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Transition metal valencies |
If the valency is not told it is taken down as 2. |
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Example of transitional valency |
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What is the valancy |
The valency is the combining power of the element |
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RAM examples |
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Harder RAM questions |
Finding the formula then finding the gram formula mass. |
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Formula writing instructions |
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Formula writing example |
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What is a balanced equation |
A balanced equation is when Tue number of atoms for each element is the same on the left and right hand side of the equation. |
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Example of balanced equation |
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Example of 2 unbalanced equations |
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What is ionisation |
The addition or subtraction of an electron to create an ion. |
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