Matter crossword

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Across
  1. 2. when atoms from different elements combine, creating a substance with new properties.
  2. 5. each of more than one hundred substances that cannot be chemically broken down into simpler substances and are primary constituents of matter.
  3. 6. a stable, positively charged subatomic particle found within the nucleus of every atom.
  4. 8. chemistry are physical combinations of two or more substances that retain their individual identities
  5. 10. a tiny, negatively charged particle that orbits the nucleus of an atom, and acting as the primary carrier of electricity in solids.
Down
  1. 1. Table an ordered arrangement of the chemical elements into rows and columns.
  2. 3. any physical substance that possesses mass and occupies space (volume). Composed primarily of atoms and subatomic particles.
  3. 4. a subatomic particle found in the nucleus of every atom (except hydrogen), having no electric charge.
  4. 7. the positively charged central core of an atom, consisting of protons and neutrons
  5. 9. the fundamental, indivisible building blocks of all matter, consisting of a dense, positively charged nucleus (protons and neutrons) surrounded by negatively charged electrons.