Fill in the numbers to interpret the isotope symbols.

86Rn^222 has

__ protons,

__ neutrons,

__ electrons.

The specific heat of aluminum is 0.125 cal/g °C. If 12.5 grams of aluminum were heated from 20.0 °C to 100.0 °C, calories of heat energy would be absorbed by the aluminum.

Consider the following reaction: SO2Cl2 (g) ⇌SO2 (g) + Cl2 (g) A reaction mixture is made containing an initial [SO2Cl2] of 2.2*10-2M. At equilibrium, [Cl2] = 1.3*10-2M.

If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance?

Which best explains how the diffraction pattern observed in Young's experiment supports the wave theory of light? A. The pattern was caused by light moving in a straight path. B. The pattern was caused by light being separated into colors. C.

Why do we have 2 high tides and 2 low tides a day?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.

What element has the electron arrangement 2,8,4?

If you get pregnant in Dec how long will it take for u to get to second trimester

Name the following compound HClO