(2)
b.
2.
Neutrons have no electrical charge
Electrons
(1)
Move in orbit around nucleus
(2)
Have negative charge
Atomic classification
a.
Atomic number (number of protons in the nucleus determines
the chemical properties of the element)
b.
Atomic weight (total number of protons and neutrons in the
nuc Leus)
3.
C.
Isotopes
a.
Radioisotopes
b.
Causes of radioactive emissions
Nature of radiation
l.
Types
a.
Ionizing radiation
(1)
(2)
(3)
Alpha particles
(a)
Helium nucleus
(ob)
Shorter range
Beta particles
(a)
Really electrons
(bo)
Somewhat Longer range
Gamma and X rays
(a)
Not particulate
(bo)
Infinite range
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