Identify the element from its atomic notation: 〖_48^112〗X

What prefix multiplier is most appropriate for reporting a measurement of 7.92 * 10-9 m?

What is the mass of 6.78 * 1024 molecules of SO2?

Rutherford proposed the ___________________.

How many protons, neutrons, and electrons are in: (_34^79)Se^(2-)

An ion has 12 p+, 14 no, and 10 e-. The symbol for the ion is:

All samples of a given compound, regardless of their source or how they were prepared, have the same proportions of their constituent elements.  Which Law does this refer to?

Report the answer to the following calculation to the correct number of sig figs: 1240.64 ÷ 12.5 =

What is the name for I2O?

An organic compound, containing only carbon and hydrogen was burned to produce 32.303 grams of CO2 and 10.58 grams of water (H2O). The molar mass of the compound was found to be 136 grams per mol. The empirical formula is C[w]H[x]and the molecular formula is C[y]H[z]