Atomic Structure Flashcards
1
Q
How many isotopes of an elements are stable
A
Only one or two of an elements isotopes
The other unstable isotopes can decay into other elements by emitting radiation
2
Q
What does it mean when an electron is «excited»
A
Jumping to a higher energy level if they gain enough energy
3
Q
What is electromagnetic radiation
A
energy that travels in waves, encompassing a wide spectrum from radio waves to gamma rays, and includes visible light, ultraviolet light, and X-rays
4
Q
What happens to the excited electron after a while
A
ITLL fall back to lower energy level and re emit energy as electromagnetic radiation
5
Q
What does the excited electron gain energy from
A
Electromagnetic radiation
