Unit 6b vocabulary

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Across
  1. 3. States that matter is neither created nor destroyed in ordinary chemical and physical changes
  2. 5. electrons on the outermost layer of an Adam that term in the reactivity of the Atom
  3. 7. A chemical reaction in which he is released and usually feels warm when the heat is released from the reaction
  4. 8. horizontal row of elements on the periodic table that have the same number of electrons shells
Down
  1. 1. A chemical reaction in which heat is released and usually feels warm for when the heat is released from the reaction
  2. 2. vertical column of elements on the periodic table that have similar physical and chemical properties
  3. 4. elements that have some properties of metals and nonmetals and are found along zigzag parts on the periodic table
  4. 6. A interaction that holds Adams together