Chapter 2 - Atoms, Ions, And Molecules Flashcards
1
Q
Matter
A
Occupies space
2
Q
Atom
A
Smallest particle the shows the chemical properties of an element
3
Q
Atomic mass
A
Mass of the protons and neutrons in the nucleus
4
Q
Proton number
A
Same as the atomic number
5
Q
Neutron number
A
Atomic mass-atomic number
6
Q
Electron number
A
Same as the electron
7
Q
Isotopes
A
Different atoms of the same element
8
Q
Radioisotopes
A
Unstable. Breaks down into a more stable molecule.
9
Q
Ions
A
Atoms or groups of atoms with either a negative or positive charge.
10
Q
Cation
A
Ion with a positive charge
11
Q
Anions
A
Negatively charged ions
12
Q
Polyatomic ions
A
Composed of more than one atom
13
Q
Ionic bonds
A
Comprised of anions and cations binding together
