one of the three elements that a magnet will attach to
A Cobalt ion can have different charges depending on the compound it is a part of. For example, in Cobalt(II) compounds, the Cobalt ion carries a 2+ charge, while in Cobalt(III) compounds, the charge is 3+.
-1, 0, 1, 2, 3, 4 and 5 oxidation states
There are no compounds in Cobalt. It is completely impossible, because Cobalt is an element, and compounds are made up of elements. If this is what you meant to ask, then there a a lot of compounds with Cobalt in them. One example is Cobalt (III) Fluoride, chemical formula CoF3. Any compound with a "Co" (the "C" must be capitalized and the "o" must lowercase) in it contains Cobalt.
The formula for 1 atom of cobalt reacting with 2 atoms of chlorine is CoCl2, known as cobalt(II) chloride. In this compound, cobalt has a +2 charge, and each chlorine atom has a -1 charge, resulting in the chemical formula CoCl2.
Cobalt-60 has an 1/2 life of 5.24 years
Abundance of cobalt in the earth crust: 25-35 mg/kg Abundance of cobalt in the sea water: 0,02 microgram/L Abundance of cobalt in the solar system: 2,3.10-3 atom mole fraction relative to silicon=1. Abundance of cobalt in the human body: 0,000 002 1 %
Cobalt Blue - 2014 Hobbs Investigations 1-1 was released on: USA: 10 February 2014
Calcium has 1 atom and Cobalt 3 has 1 atom, so a total of 2 atoms.
Cobalt Blue - 2014 was released on: USA: 1 January 2014
The molecular formula is CoO Cation is Co^2+^Anion is O^2-^or in other wordscobalt(II) oxide = CoO = Co2+ + O2-
This seems to refer to radioactive decay. The answer would depend on the isotope of cobalt used! For example, cobalt-59 is stable, so in this case, all of the original cobalt would remain.For more information, check the Wikipedia article entitled "Isotopes of cobalt".
Cobalt-60 decay to nickel-60:Co-60------------Ni-60 + 1 electron + 1 neutrino + gamma rays