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Text Elements
1
nucleus
nucleus
outside nucleus
electrons
protons
mass
atomic number
9
20
92
92
92
238
146
8
8
10
16
8
11
11
12
23
12
This is the average mass of an atom among all atoms
This is the mass of this specific isotope
This is the weight of this specific atom
outside of the nucleus
cloud of electrons outside the nucleus
p = 3 e = 3
release
absorb
radiation
656, visible
1094, IR
column
18
how many valence electrons elements in that group have
same number of valence electrons and similar properties
row
7
metals
nonmetals
metalloids
NM
metalloid
metalloid
NM
M
M
1
18
17
3-12
13
1-2,13-18
The radius of the atom / size of the atom
decrease
increase
energy levels increase meaning there are more layers meaning larger radius
K, Na, Al, S
energy required to remove an electron
ionization energy
gas released
odor change
precipitate
energy absorbed
color changed
increase
decrease
greater
greater
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