2. Atomic Structure Flashcards
1
Q
Nucleons
A
protons and neutrons (particles in the nucleus of an atom)
2
Q
Atomic number
A
The number of protons in the nucleus of an atom
3
Q
Mass number
A
The number of protons + neutrons in the nucleus of an atom
4
Q
Positive ion
A
Charged particle formed when atoms lose electron(s)
5
Q
Negative ion
A
Charged particle formed when atoms gain electron(s)
6
Q
Isotopes
A
Different atoms of the same element with different mass numbers (different numbers of neutrons)
7
Q
Orbital
A
Region of space where there is a high probability of finding an electron
