Across
- 4. reaction when a substance interact to form one or more new substances with different properties than original
- 5. change a change in which the characteristics of a substance are only changed physically and chemical positions stays same
- 7. matter is not created it destroyed , only changed the number of atoms in the reactant must be equal to number of atoms
- 8. formula. Combination of symbols and numbers represent types of elements(atoms)present a compound
- 9. formulas written on right side of the arrow symbol are the new substance
- 11. Number written in front of a chemical formula to show many molecules of that substance
Down
- 1. formula written in left side of arrow symbol are the starting substances in chemical reaction
- 2. an arrow symbol shows a reaction has taken place to produce a new substance (the product)
- 3. one or two letters used to represent an element
- 5. a solid form as a result of a chemical reaction may appear cloudy and will fall
- 6. small number on right of a symbol that’s written below the normal line show how many atoms
- 10. change in which a substance is changed into one or more new substances with different properties