Which particle has mass of 1 and charge of +1?
O positron
O proton
electron
neutron

explanation:

i think option no d is the correct answer

i just learnt this recently but i need to look through my notes again

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

fe 55.85 g/mol and h2o 18.02 g/mol.