Vocabulary (Chapter 2) Flashcards
(9 cards)
1
Q
Molecule
A
Two or more atoms chemically combined
2
Q
Proton
A
A positively charged particle
3
Q
Neutron
A
A neutrally or uncharged charged particle
4
Q
Electron
A
A negatively charged particle
5
Q
Element
A
Substances that cannot be broken down into simpler substances by ordinary chemical substances
6
Q
Cation
A
A Positive Ion
7
Q
Anion
A
A Negative Ion
8
Q
Valence Shell
A
An atoms outermost shell (circle)
9
Q
Ion
A
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.