Vocab I Flashcards
1
Q
atom
A
the smallest particle element that still has the properties of that element (a basic unit of matter
2
Q
electron
A
orbits the nucleus, negatively charged
3
Q
proton
A
a positively charged subatomic particle present in the nucleus of all atoms
4
Q
nucleus
A
the positively charged central core of an atom, consisting of protons and neutrons