Subatomic Particle Introduction Flashcards
1
Q
What is the numerical definition of a atomic mass unit?
A
1/12 of a Carbon-12 (6 protons, 6 neutrons) atom
2
Q
What do charge imbalances attempt to do?
A
Equalize to charge neutral (equal protons and electrons)
3
Q
What defines an element?
A
The number of protons in its nucleus
4
Q
How are protons represented in writing?
A
The atomic mass number (above the element on the periodic table) and the variable Z (the lower number in writing)
5
Q
What is natural abundance of isotopes?
A
The percentage of naturally occurring isotopes of an element
6
Q
What is the mass number?
A
The sum of neutrons and protons in an atom (represented by the variable A, which is the upper number in writing)
7
Q
A
