|
To get an element's mass number, add its protons & these |
neutrons
|
$600 |
DJ |
PARTICLE PHYSICS |
1997-06-16 |
#2961 |
|
Isotopes are atoms having the same number of protons but different numbers of these |
neutrons
|
$400 |
DJ |
PHYSICS |
1991-05-14 |
#1557 |
|
Isotopes are atoms having the same number of protons by different numbers of these |
neutrons
|
$1,500 |
DJ |
NUCLEAR PHYSICS |
1990-07-28 |
#7 |
|
Nuclear energy is released when you split up nucleons in the nucleus: groups of protons, and these |
neutrons
|
$200 |
J |
NUCLEAR PHYSICS |
1987-11-20 |
#740 |
|
Along with protons, these atomic particles in a nucleus make up most of an atom's mass |
neutrons
|
$300 |
J |
NUCLEAR PHYSICS |
1987-06-19 |
#660 |