which of these is considered a cation (a) f- (b) kr (c) li+ (d) he                   i'm bad at this

How are the terms group and period used on the periodic table

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

How many moles of kci are produced from 2.50 moles k