Check your email to validate your new password and access your account. Sign up for a Samsung account to gain access to exclusive offers, world-class customer support, and apps like Samsung+ and Samsung Pay.
Element 117, discovered by Laboratory, one step closer to being named. Element 117, first discovered by Lawrence Livermor escientists and international collaborators in 2010, is one step closer to being named.
The plum pudding model of the atom by the scientist Sir Joseph John Thompson or J.J. Thompson. It was theorized after the discovery that electrons are present in the atom. In this model, the atom is composed mainly of electrons. It was describe as plum pudding because the electrons are dispersed within the atom.