Answers: 2
Chemistry, 23.06.2019 12:50, ttangelique
What is the relative mass of an electron? a) 1/1840 the mass of a neutron + proton b) 1/1840 the mass of an alpha particle c) 1/1840 the mass of a c-12 atom d) 1/1840 the mass of a hydrogen atom
Answers: 3
Chemistry, 23.06.2019 16:30, tiffanibell71
Two like-charged particles are placed close to each other. how would the force of repulsion be affected if the charge on one of the particles is doubled and that on the other is reduced to half the original value?
Answers: 1
3natural chemicals a part of our life...
Mathematics, 17.12.2019 02:31
Mathematics, 17.12.2019 02:31
Mathematics, 17.12.2019 02:31