Radon gas has a half-life of 3.83 days. If 3.01 g of radon gas is present at time t = 0, what mass of radon will remain after 1.40 days have passed?

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

C. definite shape, definite volume. that is a solid.

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.