Element Of The Month Atomic Number
23
V
Vanadium
Average Atomic Mass
50.94
Class of Element: Transition Metal
Typical Color: Silverish
Density: 5.8 g/cm³ (at room temperature)
Melting Point: 1890°C
Boiling Point: 3380°C
e-configuration: [Ar]3d3 4s2
Atomic Radius: 1.34Å
Electronegativity: 1.63
Common Isotopes: V-48, V-49, V-50, V-51, V-52
Source(s): minerals (patronite, vanadinite)
Typical Use(s): catalyst, dye, color-fixer

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j