How much of a 120g sample will remain after 300 years

How many valence electrons does Iron (Fe) have? How do you know?

The oxygen and hydrogen atoms have the same electronegativity. the hydrogen atom attracts electrons much more strongly than the oxygen atom. water has two hydrogen atoms covalently bonded to a single oxygen atom.

one way the modern atomic model differs from Thomson's atomic model is that electrons are no longer scattere'd throughout an atom's positive matter like chocolate chips in cookie dough.

Which describes the burning of fossil fuels

The molar mass of carbon is 12.011g/1.0mol what is the inverse of the molar mass of carbon?

Why is a dilute solution of oleic acid used instead of pure oleic acid?

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid