EL 2 Flashcards
1
Q
What happens when an electron gets excited?
A
It raises into it’s next shell from the extra energy it’s given
2
Q
What is the equation for speed of light (C)
A
Frequency x wavelength
3
Q
What colour flame would Potassium show?
A
Lilac
4
Q
What colour flame would Copper 2+ show?
A
Green
5
Q
What colour flame would Calcium show?
A
bright red
6
Q
What colour flame would Sodium show?
A
Yellow
7
Q
What colour flame would Lithium show?
A
Crimson (red)
8
Q
What colour flame would Barium show?
A
Apple Green
9
Q
What is absorption spectra?
A
Black lines on a coloured background
10
Q
What is emission spectra?
A
Black background and coloured lines
11
Q
What determines the coloured lines on an emission spectra?
A
The excited electrons and how high the frequency is
