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Actinium has three valence electrons.
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∙ 9y ago
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How many shielded electrons does actinium have?
The electrons in actinium are disposed on seven energy levels.
How many valance electrons does samarium have?
2 valance electrons
How many valance electrons in Co?
There are 27 valance electrons.
How many valance electrons are in iodine?
Iodine has 7 valance electrons
Why does actinium have 2 valence electrons?
The external level of electrons in actinium has 2 electrons; but actinium is trivalent.
How many valence electrons does actinium have?
There are 2 valence electrons in Actinium.
How many shells does actinium have?
The electrons in actinium are disposed on seven energy levels.
How can the number of valence electrons be determined from the periodic table?
By looking at the group number you can tell how many valance electrons there are ex: Group 1= 1 valance electrons Group 2-12= 2 valance electrons Group 13= 3 valance electrons Group 14= 4 valance electrons Group 15= 5 valance electrons Group 16= 6 valance electrons Group 17= 7 valance electrons Group 18= 8 valance electrons
How many protons and electrons and neutrons does actinium have?
Actinium has 89 protons and electrons; the natural isotope 227Ac has 138 neutrons.
How many energy shells does actinium have?
The electrons in actinium are disposed on seven energy levels.
How many actinium electrons in each sells?
Actinium has 2, 8, 18, 32, 18, 9, 2 electrons in each shell.
How many elements within a row different?
They have different numbers of valance electrons
