The neutrons and protons form the core of the atom.中子和质子构成了原子核.The nucleus of an atom consists of neutrons, protons and other particles.原子核由中子 、 质子和其他粒子构成.30 years ago, scientists came up with the theory that protons and...
...a beam of neutrons.一束中子The nucleus of an atom consists of neutrons, protons and other particles.原子核由中子 、 质子和其他粒子构成.Neutrons and protons are bound together in the nucleus of an atom.在原子核里，中子和质子是结合在一起的。Each atomic clust...