Atomic Structure

Question 1

How many isotopes of an elements are stable

Answer 1

Only one or two of an elements isotopes
The other unstable isotopes can decay into other elements by emitting radiation

Question 2

What does it mean when an electron is «excited»

Answer 2

Jumping to a higher energy level if they gain enough energy

Question 3

What is electromagnetic radiation

Answer 3

energy that travels in waves, encompassing a wide spectrum from radio waves to gamma rays, and includes visible light, ultraviolet light, and X-rays

Question 4

What happens to the excited electron after a while

Answer 4

ITLL fall back to lower energy level and re emit energy as electromagnetic radiation

Question 5

What does the excited electron gain energy from

Answer 5

Electromagnetic radiation