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Periodic Table of the Elements: Xenon

(Encyclopedia) Periodic Table of the Elements: Xenon Atomic Number: 54 Atomic Symbol: Xe Xenon Atomic Weight: 131.293 Electron Configuration: 2 · 8 · 18 18 · 8

Periodic Table of the Elements: Ytterbium

(Encyclopedia) Periodic Table of the Elements: Ytterbium Atomic Number: 70 Atomic Symbol: Yb Ytterbium Atomic Weight: 173.054 Electron Configuration: 2 · 8 · 18 32 · 8 · 2

Periodic Table of the Elements: Yttrium

(Encyclopedia) Periodic Table of the Elements: Yttrium Atomic Number: 39 Atomic Symbol: Y Yttrium Atomic Weight: 88.90585 Electron Configuration: 2 · 8 · 18 9 · 2

Periodic Table of the Elements: Zinc

(Encyclopedia) Periodic Table of the Elements: Zinc Atomic Number: 30 Atomic Symbol: Zn Zinc Atomic Weight: 65.38 Electron Configuration: 2 · 8 · 18 · 2

Periodic Table of the Elements: Zirconium

(Encyclopedia) Periodic Table of the Elements: Zirconium Atomic Number: 40 Atomic Symbol: Zr Zirconium Atomic Weight: 91.224 Electron Configuration: 2 · 8 · 18 10 · 2

table

(Encyclopedia) table, article of furniture employed for household or ecclesiastical purposes. Elaborately decorated tables of wood or metal were known in ancient Egypt and Assyria, and the Greeks…

Mendeleev, Dmitri Ivanovich

(Encyclopedia) Mendeleev, Dmitri IvanovichMendeleev, Dmitri Ivanovichmĕndəlāˈəf, Rus. dəmēˈtrē ēväˈnəvĭch myĭndyĭlyāˈəf [key], 1834–1907, Russian chemist. He is famous for his formulation (1869) of…

Using Function Tables When Given Input and Output Values

Use this video to show students how they can use function tables to find exactly one output value for every input value.

Newlands, John Alexander Reina

(Encyclopedia) Newlands, John Alexander Reina, 1838–98, British chemist. He studied at the Royal College of Chemistry in London and worked as an industrial chemist. Newlands prepared the first…

Elements (table)

(Encyclopedia) Elements Element Symbol Atomic Number Atomic Weight1 Melting Point (Degrees Celsius) Boiling Point (Degrees Celsius) actinium Ac 89 (227) 1050. 3200. ±300 aluminum Al 13 26.…