Across
- 1. what is a substance that increases the rate of a chemical reaction without being consumed in the reaction?
- 7. what is the separation of ions from each other that occurs when an ionic compound is solvated?
- 8. The physical and chemical properties of the elements are periodic functions of their atomic numbers
- 10. Device for measuring the pressure exerted by collisions of gas molecules in our atmosphere with the earth
- 12. what is one of the 3 main steps of the scientific method?(h)
- 13. Of what type of wave does light consist?
- 14. Forms of the same element that differ in their properties but exist in the same physical state
- 15. what involves the replacement of one element in a compound with another
Down
- 2. number what is the formula (6.022 x 10²³) called?
- 3. what is another name for calcium carbonate
- 4. A chemical bond that results from the sharing of valence electrons between atoms
- 5. The area of chemistry that deals with applying thermodynamic principles to energy changes in chemicals reactions
- 6. what is something with a Sour taste; react with metals such as zinc to produce H₂; change blue litmus to red
- 9. What term describes an equilibrium in which the foward and reverse reactions are constantly occuring?
- 11. The temperature at which particles of a given substance have enough kinetic energy to break away from each other