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15 questions
Li
Lead
Lithium
53 Electrons
Iodine
Ca
Radium
Lithium
Br
Sulfur
Chlorine
Bromine
Atomic Number 20
Tin
Radium
Calcium
Oxygen
88 Protons
Tin
Radium
Iodine
Sulfur
P
Lead
Phosphorus
Sodium
Aluminum
Atomic number 13
Lithium
Arsenic
Aluminum
Bromine
Atomic number of Strontium
11
38
82
16
Protons of Stronium
38
53
8
88
Atomic number of Sulfur
11
17
13
16
Atomic number 50
Radium
Ca
Sn
Oxygen
Atomic number 45
Br
Phosphorus
Chlorine
Pb
Na
Atomic number 82
Chlorine
Aluminum
Atomic number 11
Atomic number 88
Radium
Ra
Phosphorus
53
Calcium
Iodine
Bromine
Sulfur
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