What is an atom?, The building blocks of matter, the basic units of cells, The smallest unit of living things, What is an element?, anything that has mass, a pure substance, a mixture, What is matter?, Living things only, anything that has mass and takes up space, only elements, These are the atomic particles of an atom, protons, neutrons, electrons, solid, liquid, gas, Nucleus and atomic cloud, The nucleus is made of these particles:, protons and electrons, neutrons and electrons, protons and neutrons

Atoms, Elements and Compounds

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