28) All elements are made of atoms
29)Protons and Neutrons
-Electrons make up the outside of the Nucleus
Positively charged protons in the nucleus, hope this helps.
Answer: The closeness, arrangement and motion of the particles in a substance change when it changes state. Materials are a store of internal energy , due to the motion of particles and the chemical bonds between them. When a substance is heated, its internal energy increases: the movement of its particles increases.
Explanation:
