Chemistry Defintions Flashcards
1
Q
Atom
A
the smallest particle of a chemical element that can exist.
2
Q
Nucleus
A
Is the core of the atom which contains protons and neutrons
3
Q
Atomic number
A
Atomic number is the bottom number in the periodic table next to the elements .
4
Q
Mass number
A
The mass number is the top number next to the element .
5
Q
Proton
A
Is the positive charge in the nucleus
6
Q
Neutron
A
Neuton is the other stuff in the nucleus
7
Q
Electron
A
Is the negative charge in the shells around the atom
