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5
|
Symbol: Unq
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8
|
a radioactive element from the actinide series, named after the University of California and California
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9
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has 30 isomers and unstable isotopes and 6 stable isotopes
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|
11
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Atomic Weight: (254)
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14
|
Atomic Weight: (262
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17
|
Atomic Number: 101
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20
|
Atomic Number: 72
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21
|
Atomic Number: 47
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|
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1
|
Most electronegative
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2
|
Atomic Number: 31
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|
3
|
Symbol: Pr
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4
|
Only needs 2 to have a full octet
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6
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atomic number 89
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7
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Atomic Weight: 55.847
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|
10
|
Silvery metallic element of the lanthanoids
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12
|
atomic number 25
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13
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Atomic Weight: 87.62
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15
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does not appear freely in nature in its natural form
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16
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Symbol: Unh
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|
17
|
is a chemical element known as hydrargyrum and quicksilver
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|
18
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Symbol: Ne
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|
19
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was discovered by Smithson Tennant in 1803
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