HISTORY PHYSICS & MACHINES POWER POINT Flashcards
1
Q
1890
A
Goodspeed
2
Q
When did Roentgen discover Xrays and how
A
1895
Cathode ray tube
3
Q
Year of medical imaging and skin damage
A
1896
4
Q
1912
A
Electromagnetic spectrum
5
Q
Where are electrons found
A
In shells around the nucleus
6
Q
Which electron shells have more binding energy
A
Close shells
7
Q
Number of protons
A
Atomic number “Z”
8
Q
Number of Neutrons and Protons
A
Mass number “A”
9
Q
State of stability
A
Protons= electrons
10
Q
Where are Protons and Neutrons located?
A
In the Nucleus
