EL Flashcards
What is the nuclear symbal Z?
EL1
Atomic number - number of protons
What is the Nuclear Symbal A?
Atomic mass - number of protons + number of neutrons
What is the axes of a Mass Spectrometer?
EL1
y-axis: Relative Abundance
x-axis: atomic number/ mass (z/m)
What is Nuclear Fusion?
EL1
Two lighter nuclei coming together to form a heavier nucleus
What is the Absorption Spectrum?
EL2
- Black lines of a coloured background of radiation
- …of increasing frequency
- Characteristic to specfic elements
What is the Emission Spectrum?
EL2
- Coloured lines on a Black background
- … of increasing frequency
- characteristic to specific elements
What are the flame tests and their colours?
EL2
Li - Bright Red
Na - Yellow
K - Lilac
Ca - Brick Red
Ba - Apple Green
Copper - Blue Green
Wave Theory + Equation
EL2
Light acts as a wave
v = fλ
Particle Theory + Equation
EL2
Light behaves as packets of photons
E = hf
E - energy of a photon
h - Planck’s constant (6.63x10^-34)