A
The electronic configuration of 20 Ca is ...
2,8,8,2
The electrons are transferred from ________ to ____________ elements to form ionic compounds.
metals to nonmetals
The atom of 13 Al will form ion ____ to achieve noble gas configuration.
Al = 2, 8, 3
The ion is Al +3
The formula of an ionic compound formed when 13 Al atoms reacted with 16S is _________
Al2S3
The atom of 7N will form ion __________________ to achieve the noble gas configuration.
7 N = 2,5
N-3
The ionic compound formed when 11 Na atoms reacted with 16 S is ____________
Na2S