Science Vocab Atomic Structures Flashcards
1
Q
Atom
A
The smallest part of matter
2
Q
Nucleaus
A
The core of the atom containing protons and neutrons
3
Q
Electron
A
A sub-atomic particle with a negative charge
4
Q
Proton
A
A sub-atomic particle with a positive charge
5
Q
Neutron
A
A sub-atomic particle with a neutral charge
6
Q
Atomic number
A
Number of protons in an atom, identified on the periodic table