When an atom gains two electrons it carries charge……….
a) -2
b) +2
c) +1
d) -1
Cation carries …….. charge.
a) positive
b) negative
c) no charge
d) none of these
Negative charge is carried by………..
a) free radical
b) cation
c) anion
d) atom
Ion is the smallest unit of………
a) covalent compound
b) element
c) ionic compound
d) all of these
When a molecule loses or gains electrons , it forms…………
a) ion
b) molecular Ion
c) isotopes
d) all of these
Which molecular ions have more abundance ?
a) Cationic
b) Anionic
c) a & b both
d) none of these
