30 Important elements by Victor Nava Torres https://padlet.com/301397/2c3s6fdxboqc en-us 2017-04-25 20:35:44 UTC 2024-10-28 10:04:00 UTC hello@padlet.com Helium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168234166
  • Name: helium
  • Symbol: He
  • Atomic number: 2
  • Helium is a chemical element with the symbol He and atomic number 2.


    • ]]>     2017-04-25 20:42:34 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168234166     Silver 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168234286
  • Name: silver
  • Symbol: Ag
  • Atomic number: 47

    • Silver was found to be separated from lead by civilizations are early as 3000 BC
    ]]>     2017-04-25 20:43:22 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168234286     Carbon 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168234539
  • Name: carbon
  • Symbol: C
  • Atomic number: 6
  • Diamond is an excellent abrasive because it is the hardest common material and it also has the highest thermal conductivity.


    • ]]>     2017-04-25 20:44:48 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168234539     Argon 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168234618
  • Name: argon
  • Symbol: Ar
  • Atomic number: 18
    •  Argon is the third most prevalent gas in the Earth's atmosphere

    ]]>     2017-04-25 20:45:23 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168234618     Copper 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235125
  • Name: copper
  • Symbol: Cu
  • Atomic number: 29
  •  These unique properties make it an essential mineral in our everyday lives.

    • ]]>     2017-04-25 20:48:54 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235125     Chromium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235206
  • Name: chromium
  • Symbol: Cr
  • Atomic number: 24
  • Chromium is a hard, lustrous, steel-gray metal.


    • ]]>     2017-04-25 20:49:26 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235206     Krypton 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235376
  • Name: krypton
  • Symbol: Kr
  • Atomic number: 36
    • Krypton was discovered by Sir William Ramsay in 1898 and his student Morris Travers

    ]]>     2017-04-25 20:50:24 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235376     Tin 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235463
  • Name: tin
  • Symbol: Sn
  • Atomic number: 50

    • Tin has been in use by ancient civilizations for thousands of years.
    ]]>     2017-04-25 20:50:54 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235463     Neon 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235551
  • Name: neon
  • Symbol: Ne
  • Atomic number: 10
    • Neon (Ne) is a colorless, non-metallic, very inert gas with an atomic number of ten.

    ]]>     2017-04-25 20:51:29 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235551     Aluminium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168235980
  • Name: aluminium
  • Symbol: Al
  • Atomic number: 13
    •   It is the most abundant mineral on Earth after oxygen and silicon. It is also the most abundant metal found naturally on Earth.



    ]]>     2017-04-25 20:54:09 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168235980     Boron 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168236060
  • Name: boron
  • Symbol: B
  • Atomic number: 5
    • Boron is fairly rare in the solar system and makes up only 0.001% of the Earth's crust, but its naturally occurring compounds are quite common.

    ]]>     2017-04-25 20:54:37 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168236060     Einsteinium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168236164
  • Name: einsteinium
  • Symbol: Es
  • Atomic number: 99
    •  The chemical element einsteinium is classed as an actinide metal

    ]]>     2017-04-25 20:55:02 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168236164     Antimony 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168236257
  • Name: antimony
  • Symbol: Sb
  • Atomic number: 51
    • Antimony (Sb) has an atomic number of fifty-one, with fifty-one protons in the nucleus.

    ]]>     2017-04-25 20:55:38 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168236257     Arsenic 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168236335
  • Name: arsenic
  • Symbol: As
  • Atomic number: 33
  • It is a necessary ultratrace element for red algae, chickens, rats, goats, and pigs. A deficiency results in inhibited growth.

    • ]]>     2017-04-25 20:56:09 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168236335     Actinium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168236550
  • Name: actinium
  • Symbol: Ac
  • Atomic number: 89
  • Word origin: The word actinium comes from the Greek aktis or aktinos, which means beam or ray.


    • ]]>     2017-04-25 20:57:29 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168236550     Tantalum 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168496845
  • Name: tantalum
  • Symbol: Ta
  • Atomic number: 73
    • Tantalum (Ta) has an atomic number of seventy-three.
    ]]>     2017-04-26 20:29:07 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168496845     Zirconium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168497129
  • Name: zirconium
  • Symbol: Zr
  • Atomic number: 40
  • The name zirconiumcomes from the Arabic work for "gold color,"

    • ]]>     2017-04-26 20:30:45 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168497129     Uranium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168497218
  • Name: uranium
  • Symbol: U
  • Atomic number: 92
    •  This was the first-ever use of an atomic bomb in warfare, and it used one famous element to wreak its havoc: uranium.

    ]]>     2017-04-26 20:31:15 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168497218     Cobalt 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168497661
  • Name: cobalt
  • Symbol: Co
  • Atomic number: 27
    •     Even before its formal discovery, cobalt had been in use throughout history.

    ]]>     2017-04-26 20:33:50 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168497661     Europium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498074
  • Name: europium
  • Symbol: Eu
  • Atomic number: 63
    • Europium Element Facts / Chemistry. The chemical element europium is classed as a lanthanide and rare earth metal.

    ]]>     2017-04-26 20:34:57 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498074     Hydrogen 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498250
  • Name: hydrogen
  • Symbol: H
  • Atomic number: 1
  • Hydrogen is the simplest and lightest element on the periodic table of elements.


    • ]]>     2017-04-26 20:35:36 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498250     Americium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498367
  • Name: americium
  • Symbol: Am
  • Atomic number: 95
  • Discovery: Because americium is a synthetic transuranic element, its discovery was really a creation

    • ]]>     2017-04-26 20:36:30 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498367     Nitrogen 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498547
  • Name: nitrogen
  • Symbol: N
  • Atomic number: 7
  • Under normal conditions nitrogen is a colorless, odorless and tasteless gas.

    • ]]>     2017-04-26 20:37:38 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498547     Flourine 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498654
  • Name: fluorine
  • Symbol: F
  • Atomic number: 9
  • Henri Moissan, who first isolated fluorine, also produced the world's first artificial diamonds by applying huge pressures to charcoal.


    • ]]>     2017-04-26 20:38:11 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498654     Nickel 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498730
  • Name: nickel
  • Symbol: Ni
  • Atomic number: 28
  • It is the second most abundant element in the Earth's core after iron.
    • ]]>     2017-04-26 20:38:35 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498730     Palladium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498790
  • Name: palladium
  • Symbol: Pd
  • Atomic number: 46
    • The largest use of palladium is in catalytic converters for automobiles.
    ]]>     2017-04-26 20:38:57 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498790     Copper 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168498958
  • Name: copper
  • Symbol: Cu
  • Atomic number: 29
    • Copper, element number 29 on the periodic table, is a mineral that has high ductility, malleability, thermal and electrical conductivity and is resistant to corrosion.

    ]]>     2017-04-26 20:39:58 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168498958     Radium 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168499096
  • Name: radium
  • Symbol: Ra
  • Atomic number: 88
    •  Radium was discovered by Pierre and Marie Curie in 1898.

    ]]>     2017-04-26 20:40:43 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168499096     Iron 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168499148
  • Name: iron
  • Symbol: Fe
  • Atomic number: 26
    • Iron is a relatively abundant element in the universe.

    ]]>     2017-04-26 20:41:05 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168499148     Zinc 301397 https://padlet.com/301397/2c3s6fdxboqc/wish/168499206
  • Name: zinc
  • Symbol: Zn
  • Atomic number: 30
    • Zinc is essential in the diets of plants and animals.
    ]]>     2017-04-26 20:41:25 UTC https://padlet.com/301397/2c3s6fdxboqc/wish/168499206