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Astatine has 125 neutrons
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoAstatine (At) has one valence electron.
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Which p-block has 7 valence electrons C O CL AL?
Fluorine, chlorine, bromine, iodine, and astatine have 7 valence electrons.
What atoms have seven electrons in their outermost energy levels?
All halogens (fluorine, chlorine, bromine, iodine and astatine) have 7 valence electrons.
Which electron has seven valence electrons?
Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.
What is the metalloid with 7 valence electrons?
halogens
How many valence electrons are in an atom of aluminium?
3 valence electrons.
Which p-block has 7 valence electrons C O CL AL?
Fluorine, chlorine, bromine, iodine, and astatine have 7 valence electrons.
What atoms have seven electrons in their outermost energy levels?
All halogens (fluorine, chlorine, bromine, iodine and astatine) have 7 valence electrons.
How many energy levels in a astatine?
Six electron shells
Which electron has seven valence electrons?
Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.
What is the electronegativity of astatine?
The valence of astatine is -1.
How many electrons does one atom of astatine have in its outer shell?
Electrons per shell in astatine: 2, 8, 18, 32, 18, 7.
What is the metalloid with 7 valence electrons?
halogens
How many valence electrons in selenium?
6 valence electrons
How many valence electrons does each member of the boron family have?
how many valence electrons does family 1 have
How many valence electrons are in an atom of aluminium?
3 valence electrons.
How many valence electrons does H2Se have?
8 valence electrons
How many valence electrons are in argon?
8 valence electrons
