Thorium – сhemical element from periodic table

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Periodic Table

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
	IA	IIA	IIIB	IVB	VB	VIB	VIIB	VIIIB			IB	IIB	IIIA	IVA	VA	VIA	VIIA	VIIIA
1	1HHydrogen 1 1.00794																	2HeHelium 2 4.002602
2	3LiLithium 2 1 6.941	4BeBeryllium 2 2 9.012182											5BBoron 2 3 10.811	6CCarbon 2 4 12.0107	7NNitrogen 2 5 14.0067	8OOxygen 2 6 15.9994	9FFluorine 2 7 18.998404	10NeNeon 2 8 20.1797
3	11NaSodium 2 8 1 22.989769	12MgMagnesium 2 8 2 24.305											13AlAluminium 2 8 3 26.981539	14SiSilicon 2 8 4 28.0855	15PPhosphorus 2 8 5 30.973763	16SSulfur 2 8 6 32.065	17ClChlorine 2 8 7 35.453	18ArArgon 2 8 8 39.948
4	19KPotassium 2 8 8 1 39.0983	20CaCalcium 2 8 8 2 40.078	21ScScandium 2 8 9 2 44.955914	22TiTitanium 2 8 10 2 47.867	23VVanadium 2 8 11 2 50.9415	24CrChromium 2 8 13 1 51.9961	25MnManganese 2 8 13 2 54.938046	26FeIron 2 8 14 2 55.845	27CoCobalt 2 8 15 2 58.933193	28NiNickel 2 8 16 2 58.6934	29CuCopper 2 8 18 1 63.546	30ZnZinc 2 8 18 2 65.38	31GaGallium 2 8 18 3 69.723	32GeGermanium 2 8 18 4 72.63	33AsArsenic 2 8 18 5 74.9216	34SeSelenium 2 8 18 6 78.96	35BrBromine 2 8 18 7 79.904	36KrKrypton 2 8 18 8 83.798
5	37RbRubidium 2 8 18 8 1 85.4678	38SrStrontium 2 8 18 8 2 87.62	39YYttrium 2 8 18 9 2 88.90585	40ZrZirconium 2 8 18 10 2 91.224	41NbNiobium 2 8 18 12 1 92.90638	42MoMolybdenum 2 8 18 13 1 95.96	43TcTechnetium 2 8 18 13 2 98	44RuRuthenium 2 8 18 15 1 101.07	45RhRhodium 2 8 18 16 1 102.9055	46PdPalladium 2 8 18 18 106.42	47AgSilver 2 8 18 18 1 107.8682	48CdCadmium 2 8 18 18 2 112.411	49InIndium 2 8 18 18 3 114.818	50SnTin 2 8 18 18 4 118.71	51SbAntimony 2 8 18 18 5 121.76	52TeTellurium 2 8 18 18 6 127.6	53IIodine 2 8 18 18 7 126.90447	54XeXenon 2 8 18 18 8 131.293
6	55CsCaesium 2 8 18 18 8 1 132.90546	56BaBarium 2 8 18 18 8 2 137.327		72HfHafnium 2 8 18 32 10 2 178.49	73TaTantalum 2 8 18 32 11 2 180.94788	74WTungsten 2 8 18 32 12 2 183.84	75ReRhenium 2 8 18 32 13 2 186.207	76OsOsmium 2 8 18 32 14 2 190.23	77IrIridium 2 8 18 32 15 2 192.217	78PtPlatinum 2 8 18 32 17 1 195.084	79AuGold 2 8 18 32 18 1 196.96657	80HgMercury 2 8 18 32 18 2 200.59	81TlThallium 2 8 18 32 18 3 204.3833	82PbLead 2 8 18 32 18 4 207.2	83BiBismuth 2 8 18 32 18 5 208.9804	84PoPolonium 2 8 18 32 18 6 209	85AtAstatine 2 8 18 32 18 7 210	86RnRadon 2 8 18 32 18 8 222
7	87FrFrancium 2 8 18 32 18 8 1 223	88RaRadium 2 8 18 32 18 8 2 226		104RfRutherfordium 2 8 18 32 32 10 2 261	105DbDubnium 2 8 18 32 32 11 2 268	106SgSeaborgium 2 8 18 32 32 12 2 271	107BhBohrium 2 8 18 32 32 13 2 272	108HsHassium 2 8 18 32 32 14 2 270	109MtMeitnerium 2 8 18 32 32 15 2 278.16	110DsDarmstadtium 2 8 18 32 32 17 1 281.17	111RgRoentgenium 2 8 18 32 32 18 1 281.16	112CnCopernicium 2 8 18 32 32 18 2 285	113NhNihonium 2 8 18 32 32 18 3 284	114FlFlerovium 2 8 18 32 32 18 4 289	115McMoscovium 2 8 18 32 32 18 5 288	116LvLivermorium 2 8 18 32 32 18 6 293	117TsTennessine 2 8 18 32 32 18 7 294	118OgOganesson 2 8 18 32 32 18 8 294
^*Lantanoids	57LaLanthanum 2 8 18 18 9 2 138.90547	58CeCerium 2 8 18 19 9 2 140.116	59PrPraseodymium 2 8 18 21 8 2 140.90765	60NdNeodymium 2 8 18 22 8 2 144.242	61PmPromethium 2 8 18 23 8 2 145	62SmSamarium 2 8 18 24 8 2 150.36	63EuEuropium 2 8 18 25 8 2 151.964	64GdGadolinium 2 8 18 25 9 2 157.25	65TbTerbium 2 8 18 27 8 2 158.92535	66DyDysprosium 2 8 18 28 8 2 162.5	67HoHolmium 2 8 18 29 8 2 164.93031	68ErErbium 2 8 18 30 8 2 167.259	69TmThulium 2 8 18 31 8 2 168.9342	70YbYtterbium 2 8 18 32 8 2 173.054	71LuLutetium 2 8 18 32 9 2 174.9668
^**Actinoids	89AcActinium 2 8 18 32 18 9 2 227	90ThThorium 2 8 18 32 18 10 2 232.03806	91PaProtactinium 2 8 18 32 20 9 2 231.03587	92UUranium 2 8 18 32 21 9 2 238.02892	93NpNeptunium 2 8 18 32 22 9 2 237	94PuPlutonium 2 8 18 32 24 8 2 244	95AmAmericium 2 8 18 32 25 8 2 243	96CmCurium 2 8 18 32 25 9 2 247	97BkBerkelium 2 8 18 32 27 8 2 247	98CfCalifornium 2 8 18 32 28 8 2 251	99EsEinsteinium 2 8 18 32 29 8 2 252	100FmFermium 2 8 18 32 30 8 2 257	101MdMendelevium 2 8 18 32 31 8 2 258	102NoNobelium 2 8 18 32 32 8 2 259	103LrLawrencium 2 8 18 32 32 8 3 262

51-71^*
89-103^**

The periodic table of chemical elements is an essential tool for scientists and students alike. It is a comprehensive chart of all the known chemical elements, arranged in order of their atomic numbers, which are the number of protons in their nucleus. The periodic table helps us to understand the physical and chemical properties of each element and how they interact with each other.

The periodic table is divided into 18 vertical columns called groups, and 7 horizontal rows called periods. This arrangement is based on the similarities of elements in each group and period. For example, elements in the same group generally have similar properties and reactivity, while elements in the same period have similar outer electron configurations.

Students and scientists can use the periodic table to learn about the various elements and their properties, such as atomic number, atomic mass, melting point, boiling point, and more. Teachers can also use it to create learning activities, such as quizzes, to test their students’ understanding of the elements.

The periodic table is also useful for predicting the reactivity of different elements. By looking at the table, we can identify which elements are likely to form compounds with each other, and how these compounds will behave. This helps chemists to design experiments and predict the outcomes of reactions.

Websites and applications that provide interactive periodic table make it easy to access and use the table. With these tools, users can look up a specific element quickly and easily, view its properties and reactions, and even view its place in the table. With these tools, students and scientists can get the most out of the periodic table of elements.

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Atomic number	90
Group	IVB
Period	7
Mass	232.03806
Latin name	Thorium
Electron configuration	[Rn]6d2 7s2
Oxidation state	0, 1, 2, 3, 4