1. PEPSIUM
metal
moderate activity
weight = 18
outer shell = 2
TINNER
weight = 22
outer shell = 3
mild activity
THERMO
very active
nonmetal
outer shell = 7
metal/nonmetal
weight = 28
BENZILLA
outer shell = 2
electrons weight = 37
moderate activity
EYEUNKNOWN
1. outer shell = 3
2. metal/nonmetal
3. weight = 40
SINKER
nonmetal
weight = 43
outer shell = 7
metal
4. activity =
very active
COBAULK
moderate activity
weight = 58
outer shell = 2
DUMBELLIUM
outer shell = 3
mild activity
weight = 61
FRUSTRATIUM
very active
nonmetal
outer shell = 7
metal
metal/nonmetal
weight 72
mild activity

2. Review
Elements
Periodic
Table
Trends and patterns on
the table

4. Isotopes
Atoms of the same element with
different numbers of neutrons
They also have a different
atomic mass than the majority

5. Isotopes
The
atomic
number tells
you:
The number
of protons and
The number
of electrons
13
Al
Aluminum
26.98

6. Isotopes
 Number
of
neutrons?
 Atomic mass
minus the
atomic number
 Atomic mass to
the nearest
whole number!
13
Al
Aluminum
26.98

7. Isotopes
 Number
of
neutrons?
 Atomic mass
minus the
atomic number
 Atomic mass to
the nearest
whole number!
13
Al
Aluminum
26.98