Match the following elements with their symbols. 1. mercury Ag 2. silver Au 3. gold Hg 4. aluminum Mg 5. iron Ca 6. helium Ni 7. calcium Al 8. magnesium Fe 9. nickel He

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.