The masss number of Yttrium (Y) is the number of protons plus neutrons of a specific isotope of Yttrium (Y) . Remember, a neutral atom contains the same number of protons and electrons. The metal readily reacts with diluted Therefore you can directly look for atomic number 39 to find Yttrium on periodic table. The chemical symbol for Yttrium is Y . Thus, to be neutral, it must have 39 protons and 39 electrons. Yttrium is often used in alloys, increasing the strength of aluminum and magnesium alloys. Yttrium was discovered by Johann Gadolin in 1794 and first isolated by Carl Gustav Mosander in 1840. The number of electrons in each of yttrium's shells is [2, 8, 18, 9, 2] and its electron configuration is [Kr] 4d 1 5s 2. The atomic mass of Yttrium (Y) is the average number of protons plus neutrons of all the isotopes of Yttrium (Y) . The atomic number increases from left to right.


The element atomic number and name are listed in the upper left. Yttrium's stable isotope is 89Y, which has 89 - 39 = 50 neutrons. The atomic number of Yttrium (Y) is the number of protons in Yttrium (Y) 's nucleus. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. Yttrium Y Element 39 Mass Number: 89 Atomic weight: 88.905 g/mol Atomic number (Z): 39 Electrons: 39 Protons: 39 Neutrons: 50 Period: 5 Group: 3 Block: d Yttrium also dissolves oxygen gas in relatively high concentrations. Yttrium (Y), chemical element, a rare-earth metal of Group 3 of the periodic table. Yttrium's atomic number is 39. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as … Shall we have a look? Yttrium Overview Yttrium Group Number 3 Atomic Number 39 Learn more about the atomic number. Each entry has a full citation identifying its source. Origin of Name: After Ytterby, Sweden: Date and Place of Discovery: In 1843 in a quarry near Ytterby, Sweden: Discovered by: Jean Charles Galissard de Marignac The final ring or shell of electrons contains the typical number of valence electrons for an atom of that element. Y has 2 valences: 0 as the metal, and +3 in chemical combination with other elements.

Periodic table starts at top left ( Atomic number 1) and ends at bottom right (atomic number 118). (7), (8) Uses of Yttrium. Areas covered include atomic structure, physical properties, atomic interaction, thermodynamics, identification, atomic size, crystal structure, history, abundances, and nomenclature. Yttrium is a silvery white, moderately soft, ductile metal. The upper right side shows the number of electrons in a neutral atom. However there is a lot of funny facts about Yttrium that most people don't know.

Periodic table is arranged by atomic number, number of protons in the nucleus which is same as number of electrons. Our yttrium page has over 200 facts that span 92 different quantities. If the periodic table is complete just scroll up and read the number on the top (from 1 to 18). It is quite stable in air; rapid oxidation begins above approximately 450 °C (840 °F), resulting in Y2O3. In the case of Yttrium the group number is 3.

The yttrium atom has a radius of 180 pm and a Van der Waals radius of 219 pm.

Yttrium has an exceptionally high affinity for oxygen, with a free energy of formation for the oxide of 1817 kJ mol-1, probably the greatest of any element.


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