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Atomic Structure Practice

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Atomic Structure Practice
Name: __________________
Know the subatomic particles: their location, charge and relative mass.
Particle
Location
Charge
(+,-, or 0)
Relative mass
Be able to write isotopic notation and identify number of protons and neutron in a neutral atom of that isotope.
Isotope Name
Sodium-23
Chlorine-35
Isotope Symbol
23
11𝑁𝑎
Mass
23
# Protons
11
# Neutrons
12
17
20
Carbon-14
Potasium-42
Hydrogen-2
23
130
53
Draw the Bohr model for an atom. Remember 2 e- in 1st shell, 8 e- in 2nd shell. Follow the example.
Sodium
Oxygen
Hydrogen
Neon
Aluminum
Chlorine
Lithium
Carbon
Identify number of valence electrons in an atom based on location in the periodic table.
For example Carbon is in group 14 or IV A so it has 4 valence electrons
Element
Na
Cl
Mg
N
Li
Al
B
# Valence Electrons
Element
H
O
S
He
Ar
C
P
Valence Electrons
Draw the Lewis dot structure for an element using only the valence electrons. Example Chlorine:
Element
Li
Lewis Dot
Element
Mg
He
C
O
N
Al
Ne
B
S
Lewis Dot
Know the families on the periodic table including metals, nonmetals and metalloids.
Element
Family
Metal, Nonmetal or Metalloid?
Li
Alkali Metal
Metal
Cl
He
Ca
Al
O
B
S
U
Eu
As
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