Science and Health/Physical Education

Structure of atoms correct answers all matter consists of atoms, atoms have a nucleus and electrons, nucleus has protons and neutrons inside, have mass and electrical charge, nucleus is positively charged, electrons are negatively charged and orbit nucleus, atoms can bond to make molecules -atoms that have equal number of protons and electrons are neutral -if electrons and protons are not equal the atom as a positive or negative charge and is an ion Physical Properties and changes co...