Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
What is the actual mass of a proton |
1.67 x 10^-27 |
|
|
Name three isotopes of hydrogen |
Deuterium, tritium, protium |
|
|
What is RAM relative to |
1/12th the mass of carbon 12 |
|
|
What is plotted in a mass spectrum |
Relative abundance vs mass to charge ratio |
|
|
What does the molecular ion peak show |
The relative molecular mass |
|
|
What is the energy level number called |
The principle quantum number |
|
|
What happens to energy levels as you move further from the nucleus |
They get closer together |
|
|
Why do electrons in the same orbital has opposite spins |
To minimise repulsion |
|
|
Why does chromium have the configuration 4s13d5 |
Half filles d subshell is more stable |
|
|
What is the first inoisation energy |
The energy required to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous ions |
|
|
What does a large gap in successive ionisation energy mean |
An electron has been lost from an energy level closer to the nucleus |
|
|
Why do successive ionisation energies increase |
Greater effective nuclear charge |
|
|
Why is the first ionisation energy of Al less than Mg |
Occupying the 3p subshell which is further from the nucleus |
