Atomic Structure Flashcards
1
Q
Proton
A
Identity of the atom (charged positively)
2
Q
Neutron
A
Changes mass and create isotopes
3
Q
Mass Number
A
Protons and neutrons added together
4
Q
Isotope
A
Same atom, different number of neutrons
5
Q
Electron
A
Negative charge
6
Q
Ion
A
A charged atom (whether it is negative or positive)
7
Q
Protons have a ____ charge
A
Positive
8
Q
Electrons have a ____ charge
A
Negative
9
Q
What is the relationship between atomic mass and mass number?
A
The mass number is the atomic mass rounded to the nearest whole number
