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Lead is a dull-looking soft, malleable, heavy metal." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">10 Lead Element Facts</span> </div> </a></li> <li id="block-list-item_7-0" class="comp block-list-item mntl-block g-item"><a id="block_7-0" class="comp block block-small " data-doc-id="606474" href="https://www.thoughtco.com/hydrogen-element-facts-606474" data-ordinal="7"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/QL8__BFrlJyKlqL9UZuijMemLTU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-598315989-56ad03825f9b58b7d00ad97d.jpg" width="219" height="146" alt="Over 75% of the matter in the universe is hydrogen. Helium accounts for most of the other quarter, with the other elements accounting for less than one percent." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/QL8__BFrlJyKlqL9UZuijMemLTU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-598315989-56ad03825f9b58b7d00ad97d.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Over 75% of the matter in the universe is hydrogen. Helium accounts for most of the other quarter, with the other elements accounting for less than one percent." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Hydrogen Facts - H or Atomic Number 1</span> </div> </a></li> <li id="block-list-item_8-0" class="comp block-list-item mntl-block g-item"><a id="block_8-0" class="comp block block-small " data-doc-id="4064198" href="https://www.thoughtco.com/printable-periodic-tables-4064198" data-ordinal="8"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/3BPe2HTIgqbKvHaygyNWSfxorpk=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/periodic-table-90337992-e702901f1851468a87f3ea13b35b57ff.jpg" width="219" height="146" alt="Periodic table" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img 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data-src="https://www.thoughtco.com/thmb/fqtQrQoAmF8jl2Hp7M_a7zpOZxE=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/original-version-of-the-periodic-table-of-elements-published-in-1869-by-the-russian-chemist-dmitri-mendeleyev--72002399-595bb6083df78c4eb66862bb.jpg" width="219" height="146" alt="The original version of the Periodic Table" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/fqtQrQoAmF8jl2Hp7M_a7zpOZxE=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/original-version-of-the-periodic-table-of-elements-published-in-1869-by-the-russian-chemist-dmitri-mendeleyev--72002399-595bb6083df78c4eb66862bb.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="The original version of the Periodic Table" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Who Invented the Periodic Table?</span> </div> </a></li> <li id="block-list-item_10-0" class="comp block-list-item mntl-block g-item"><a id="block_10-0" class="comp block block-small " data-doc-id="606521" href="https://www.thoughtco.com/copper-facts-chemical-and-physical-properties-606521" data-ordinal="10"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/CTR3Sa6UqW0Ad-sIEVy3pewTnik=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/copper-56a128bd5f9b58b7d0bc94ad.jpg" width="219" height="146" alt="Piece of native copper" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/CTR3Sa6UqW0Ad-sIEVy3pewTnik=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/copper-56a128bd5f9b58b7d0bc94ad.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Piece of native copper" /> </noscript> </div> </div> <div class="block-content"> <div 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height="146" class="img--noscript universal-image__image" alt="Carbon element" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Atomic Number 6 - Carbon or C</span> </div> </a></li> <li id="block-list-item_12-0" class="comp block-list-item mntl-block g-item"><a id="block_12-0" class="comp block block-small " data-doc-id="606595" href="https://www.thoughtco.com/silicon-facts-606595" data-ordinal="12"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/lFly5G_34ubk2GoxdOzP7oGt3UI=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/siliconelement-5bc77f65c9e77c0051c71605.png" width="219" height="146" alt="Silicon on periodic table" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/lFly5G_34ubk2GoxdOzP7oGt3UI=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/siliconelement-5bc77f65c9e77c0051c71605.png" width="219" height="146" class="img--noscript universal-image__image" alt="Silicon on periodic table" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Silicon Facts (Atomic Number 14 or Si)</span> </div> </a></li> <li id="block-list-item_13-0" class="comp block-list-item mntl-block g-item"><a id="block_13-0" class="comp block block-small " data-doc-id="606608" href="https://www.thoughtco.com/tin-facts-606608" data-ordinal="13"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/Ue-RDxFH330vTZIBb_4iIx9U604=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-911960896-5bbba09cc9e77c005857689e.jpg" width="219" height="146" alt="Tin is a metal that can be made into a foil." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/Ue-RDxFH330vTZIBb_4iIx9U604=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-911960896-5bbba09cc9e77c005857689e.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Tin is a metal that can be made into a foil." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Tin Facts (Atomic Number 50 or Sn)</span> </div> </a></li> <li id="block-list-item_14-0" class="comp block-list-item mntl-block g-item"><a id="block_14-0" class="comp block block-small " data-doc-id="606499" href="https://www.thoughtco.com/argon-element-facts-606499" data-ordinal="14"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/xfWT0zpMyZm4T1nVfoiPA_XGoQU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/argon1-57e1ba9e3df78c9cce33930f.jpg" width="219" height="146" alt="Argon glows violet in an electric field." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/xfWT0zpMyZm4T1nVfoiPA_XGoQU=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/argon1-57e1ba9e3df78c9cce33930f.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Argon glows violet in an electric field." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Argon Facts (Atomic Number 18 or Ar)</span> </div> </a></li> <li id="block-list-item_15-0" class="comp block-list-item mntl-block g-item"><a id="block_15-0" class="comp block block-small " data-doc-id="606482" href="https://www.thoughtco.com/atomic-number-2-on-periodic-table-606482" data-ordinal="15"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/1xQDzutnm0LyeadM--rwzD0S1P0=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/186450350-56a132cb5f9b58b7d0bcf751.jpg" width="219" height="146" alt="Helium is element atomic number 2 on the periodic table." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/1xQDzutnm0LyeadM--rwzD0S1P0=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/186450350-56a132cb5f9b58b7d0bcf751.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Helium is element atomic number 2 on the periodic table." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Atomic Number 2 on the Periodic Table</span> </div> </a></li> <li id="block-list-item_16-0" class="comp block-list-item mntl-block g-item"><a id="block_16-0" class="comp block block-small " data-doc-id="606484" href="https://www.thoughtco.com/atomic-number-4-element-facts-606484" data-ordinal="16"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/E-lrZ-PbScwJ6vtFJSXdhcNeQ5M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1143649584-04e88f5111ab4417bc8d8e3fe54566ef.jpg" width="219" height="146" alt="Beryllium atom" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/E-lrZ-PbScwJ6vtFJSXdhcNeQ5M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1143649584-04e88f5111ab4417bc8d8e3fe54566ef.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Beryllium atom" /> </noscript> </div> </div> <div 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data-src="https://www.thoughtco.com/thmb/mlfwK7O6GRkheu1Dt55eRgH42-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/periodic-table-160306009-5841a6b73df78c0230ac7618.jpg" width="219" height="146" alt="Dmitri Mendeleev is credited with developing the first periodic table of the elements. His table organized elements by atomic weight. The modern table is organized by atomic number." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/mlfwK7O6GRkheu1Dt55eRgH42-M=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/periodic-table-160306009-5841a6b73df78c0230ac7618.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Dmitri Mendeleev is credited with developing the first periodic table of the elements. His table organized elements by atomic weight. 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coals" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/E8d468Z6WihYJc3lUI124Z9vm7k=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-683798421-dc838dc224ab4ea09a79e19193f9d171.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="Close-up of coals" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Carbon Family of Elements</span> </div> </a></li> <li id="block-list-item_26-0" class="comp block-list-item mntl-block g-item"><a id="block_26-0" class="comp block block-small " data-doc-id="606616" href="https://www.thoughtco.com/uranium-facts-606616" data-ordinal="26"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img 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href="https://www.thoughtco.com/activity-series-of-metals-603960" data-ordinal="27"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/iaVL5GimsAhqHV3PscGiZO1Zrvc=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-186450991-5a3d34630c1a8200369dc401.jpg" width="219" height="146" alt="A close-up view of the periodic table focused on the chemical element Lithium." class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/iaVL5GimsAhqHV3PscGiZO1Zrvc=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-186450991-5a3d34630c1a8200369dc401.jpg" width="219" height="146" class="img--noscript universal-image__image" alt="A close-up view of the periodic table focused on the chemical element Lithium." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> 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class="img--noscript universal-image__image" alt="the periodic table" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Element Families of the Periodic Table</span> </div> </a></li> <li id="block-list-item_29-0" class="comp block-list-item mntl-block g-item"><a id="block_29-0" class="comp block block-small " data-doc-id="606529" href="https://www.thoughtco.com/element-list-names-atomic-numbers-606529" data-ordinal="29"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/AI3zrnPSHbqWyeyBM-v-RoSbOH4=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/element-list-names-atomic-numbers-606529_V1_FINAL-f332cfc84a494b7782d84fc986cdaf86.png" width="219" height="146" alt="Element names and atomic numbers on the periodic table" class="lazyload universal-image__image" data-expand="300" /> <noscript> <img src="https://www.thoughtco.com/thmb/AI3zrnPSHbqWyeyBM-v-RoSbOH4=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/element-list-names-atomic-numbers-606529_V1_FINAL-f332cfc84a494b7782d84fc986cdaf86.png" width="219" height="146" class="img--noscript universal-image__image" alt="Element names and atomic numbers on the periodic table" /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">A List of All the Elements of the Periodic Table </span> </div> </a></li> <li id="block-list-item_30-0" class="comp block-list-item mntl-block g-item"><a id="block_30-0" class="comp block block-small " data-doc-id="608820" href="https://www.thoughtco.com/what-are-the-first-20-elements-608820" data-ordinal="30"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img 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class="img--noscript universal-image__image" alt="Stars and this nebula consist mainly of the element hydrogen." /> </noscript> </div> </div> <div class="block-content"> <div class="block-kicker" data-kicker="Periodic Table"></div> <span class="block-title">Chemical Element Pictures - Photo Gallery</span> </div> </a></li> <li id="block-list-item_33-0" class="comp block-list-item mntl-block g-item"><a id="block_33-0" class="comp block block-small " data-doc-id="4006869" href="https://www.thoughtco.com/periodic-table-of-element-groups-4006869" data-ordinal="33"> <div class="loc block-media"><div class="img-placeholder" style="padding-bottom:66.6%;"> <img data-src="https://www.thoughtco.com/thmb/UXNUh5N_hj2b2B73Em3KxneYsAE=/219x146/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-585288171-3a00c54da224433bbbae51b0199bbbe7.jpg" width="219" height="146" alt="Lap top with periodic table and ball and stick molecular model" class="lazyload universal-image__image" 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