Sometimes it does, sometimes it doesn't. To some people, the sixth period consits of only seventeen elements: cesium, barium, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, Mercury, thallium, lead, bismuth, polonium, astatine, and radon, with a gap between barium and hafnium for the lanthanides. Also, it can have eighteen elements, with the gap filled in by lanthanum. Still, it can have thirty two. This is the same for period 7, francium, radium, a gap, rutherfordium, dubnium, seaborgium, bohrium, hassium, meitnerium, darmstadtium, roentgenium, copernicium, ununtrium, flerovium (or ununquadium), ununpentium, livermorium (or ununhexium), ununseptium, and ununoctium. With eighteen elements, the gap is filled in with actinium. Then, it can have Fr, Ra, actinides, Rf, Db, Sg, Bh, Hs, Mt, Ds, Rg, Cn, Uut, Fl (or Uuq), Uup, Lv (or Uuh), Uus, and Uuo.
Vanadium Niobium Tantalum
Pd (palladium) is a sixth-period transition element with properties similar to Ni (nickel). Both metals have similar atomic structures and exhibit comparable chemical reactivity, especially in forming coordination complexes. Additionally, they share physical properties such as similar melting and boiling points.
There are far to many elements following the 6th on in the Periodic Table. Included below is a link to a very nice Periodic table.
There are fifteen rare earth metals?æ in period 6. They are lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thallium, Ytterbium and Lutetium.
A sixth period halogen is iodine, which is located in Group 17 of the periodic table. It has 53 protons and is known for its purple-black solid form. Iodine exhibits similarities with other halogens in terms of its chemical properties.
The longest period is the sixth period, which contains thirty-two elements total.
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Thirty-Sixth Army - Japan - was created in 1945.
Thirty-Sixth Army - Japan - ended in 1945.
an inch
A second.
6th and 7th period are the longest period of the perodic table
thenceforth. therewith. thirteenth. thirteeth. thirty-eighth. thirty-fifth. thirty-fourth. thirty-ninth. thirty-seventh. thirty-sixth. thousandth. three-hundredth.
The sixth period is currently known as the longest period because it has the most number of elements in it if you include the inter transition metals which are normally found in 2 columns at the bottom of a periodic table.
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