vocab Flashcards
1
Q
valence electrons
A
involved in bonding
2
Q
energy levels
A
region around the nucleus where electrons are found
3
Q
ions
A
atoms w/ charges
4
Q
oxidation #s
A
how many electrons gained/lost/shared
5
Q
SUPERscripts
A
shows charge on ion, above symbol
6
Q
SUBscripts
A
shows number of atoms of each element there are, below symbol
7
Q
covalent bond
A
when atoms SHARE electrons
8
Q
ionic bonds
A
when atoms GAIN/LOSE electrons
9
Q
binary compounds
A
2 types of elements
10
Q
polyatomic ions
A
contains more than 1 type of atoms
11
Q
diatomic molecules
A
2 atoms of same element
12
Q
monoatomic ions
A
1 type of atom
13
Q
ionic compounds
A
made up of ions
14
Q
cov. compounds
A
w/ atoms that are covalently bonded
15
Q
atomic mass
A
avg. mass of all known isotopes of an element
