Anegatively charged particle that orbits the nucleus of an atom is called
a proton
an isotope.
an electron
a neutron

An electron discovered negatively charged particles

A negatively charged particle is called a electron. The electrons orbit a positive nucleus.

This is a pretty on point question because all we need to do is replace 's' in the equation with '35'.the calculation will be9.95 + 0.30s = c9.95 + 0.30 (35) = c9.95 + 10.5  = cc = 20.45