Yes there are
Explanation:
Both kind of charges exist. (e≈1.60 x 10^-19 C)
Charge is the intrinsic property of a body, that allows it to have either of two kinds of itself.
Positive elementary charge is
[tex]{x}^{1 +} [/tex]
And negative is
[tex] {x}^{1 -} [/tex]
