Warm and cold fronts are formed by the movement of different air masses.

What is the symbol for an ion with 50 protons 48 electrons 68 neutrons?

The pH of a solution is determined to be 11.6. It is acidic basic neutral a salt

What is the name for the elevation difference between two adjacent contour lines

Discuss how to separate a mixture of iron filings salt sand and wood chips

How many significant digits are in the time measurement 60.010 seconds?

The characteristic flame test colors of metal ions are due to atomic emission spectra. Duscuss the relationship between the absoption and emission of light and the factors responsible for flame test colors.

Should a bartender use ice and scoop directly from ice machine or use an ice holding device and scoop to make drinks and refill drinks from

What classification should this reaction have? 4Al + 3O2 → 2Al2O3

If you start with 100 grams of a radionuclide, how much will you have after two half-lives have passed?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.