https://hobart.k12.in.us/ksms/PeriodicTable/cobalt.htm

Name, Cobalt. Symbol, Co. Atomic Number, 27. Atomic Mass, 8.9332 atomic mass units. Number of Protons, 27. Number of Neutrons, 32. Number of Electrons  ...

http://www.chemicalelements.com/elements/co.html

Cobalt at Chemical Elements.com. Basic Information | Atomic ... Number of Protons/Electrons: 27. Number of Neutrons: 32. Classification: Transition Metal

https://www.sciencephoto.com/media/460728/view/cobalt-atomic-structure

Cobalt (Co). Diagram of the nuclear composition and electron configuration of an atom of ... The nucleus consists of 27 protons (red) and 32 neutrons (blue).

http://mymathforum.com/chemistry/47062-how-many-electrons.html

How many electrons are in 59 Co^(2+) 27 I don't even understand this! ... A = mass number = total number of protons and neutrons ... In a neutral atom of cobalt, we would have exactly the same number of electrons as protons ...

https://www.ducksters.com/science/chemistry/cobalt.php

Kids learn about the element cobalt and its chemistry including atomic weight, ... Cobalt atoms have 27 electrons and 27 protons with 32 neutrons in the most ...

https://www.livescience.com/29275-cobalt.html

Feb 4, 2015 ... Properties, sources and uses of the element cobalt. ... Atomic number (number of protons in the nucleus): 27; Atomic symbol (on ... (atoms of the same element with a different number of neutrons): 8; 1 stable ... (Spin is a property that describes the angular momentum of electrons spinning around a nucleus.) ...

https://www.chemicool.com/elements/cobalt.html

Boiling point: 2930 oC, 3203 K. Electrons: 27. Protons: 27. Neutrons in most abundant isotope: 32. Electron shells: 2,8,15,2. Electron configuration: [Ar] 3d7 4s 2.

http://www.elementalmatter.info/element-cobalt.htm

Info about the element Cobalt includes the definition, classification, history, ... Number of Protons/Electrons in Cobalt : 27. Number of Neutrons in Cobalt : 32

http://www.rsc.org/periodic-table/element/27/cobalt

Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. Sources, facts, uses ... Electron configuration, [Ar] 3d74s2, CAS number, 7440-48 -4.

https://www.sciencesource.com/archive/Cobalt--atomic-structure-SS2759156.html

Diagram of the nuclear composition, electron configuration, chemical data, and valence ... The nucleus consists of 27 protons (red) and 32 neutrons (orange).