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{{r|Atomic number}}

{{r|Atomic number}}

...ical elements|chemical element]], having the [[chemical symbol]] Am. Its [[atomic number]] (the number of [[proton]]s) is 95. It has a [[Atomic mass#Standard atomic

{{r|Atomic number}}

=== Atomic number === <section begin=Atomic number />

Completed to date:Atomic symbol, Atomic mass, Atomic number, Boiling point, and Electronegativity.

{{r|Atomic number}}

{{r|Atomic number}}

{{r|Atomic number}}

...ical elements|chemical element]], having the [[chemical symbol]] Ba. Its [[atomic number]] (the number of [[proton]]s) is 56. It has a [[Atomic mass#Standard atomic

...t]], having the [[chemical symbol]] Sn (from the [[Latin]] stannum). Its [[atomic number]] (the number of [[proton]]s) is 50. It has a [[Atomic mass#Standard atomic

{{r|Atomic number}}

...ical elements|chemical element]], having the [[chemical symbol]] Al. Its [[atomic number]] (the number of [[proton]]s) is 13. It has a [[Atomic mass#Standard atomic

{{r|Atomic number}}

{{r|Atomic number}}

{{r|Atomic number}}

...ical elements|chemical element]], having the [[chemical symbol]] Ac. Its [[atomic number]] (the number of [[proton]]s) is 89. It has a [[Atomic mass#Standard atomic

{{r|Atomic number}}

{{r|Atomic number}}

{{r|Atomic number}}