1.

1Hhydrogen24TypeAtomic NumberLi BeSymbol +HithiumhydrogenNameberyllium12Na Mg3456789odium magnesium19 A 2010212223242512627K Ca Sc TiVCr Mn Fe Coassiumcalciumscandiumironcobalttitanium vanadium chromium manganese4042 43.37/A38394b b SrY Zr Nb Mo Tc Ru RFSium strontiumzirconiumrhodiuyttrium57-71551Aniobium molybdenum technetium ruthenium730 7410 75 765672s BaLa Hf Ta W Re Os IIosmiumiridiuum barium lanthanoids hafnium tantalum tungsten rhenium87 A 88 89-103 104 10510 106 107108​

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NIOBIUM MOLYBDENUM TECHNETIUM RUTHENIUM



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