1.
Forces inside a molecule (hold atoms together)
2.
Forces between different molecules
3.
Transfers electrons between metal and nonmetal
4.
Sharing of electrons between nonmetals
5.
“Sea of electrons” shared among metals
6.
Positive ion; atom that loses electrons
7.
Negative ion; atom that gains electrons
8.
Ion Charged group of covalently bonded atoms
9.
Ability of an atom to attract electrons
10.
Group of covalently bonded atoms
11.
Outer electrons involved in bonding
12.
Diagram showing valence electrons and bonding
13.
Smallest unit of matter
14.
Pure substance made of one type of atom
15.
Two or more elements chemically bonded
16.
Gases Group 18 elements; full valence shell; rarely react
17.
Metal that can form multiple charges (e.g., Fe²⁺, Fe³⁺)
18.
Two shared electron pairs (4 electrons total)
19.
Energy needed to remove an electron from an atom.
20.
Distance from the nucleus to the outermost electron shell
