Very reactive nonmetal element has most protons in the halogen group

How many moles of O_{2} molecules are present in a 0.301 L sample of dry air at 0.0395 atm and 23.8 °C? (Oxygen constitutes 20.94% of the molecules in dry air.) (Enter your answer using either standard or scientific notation.

what would the total pressure of a mixture of fluorine, chlorine, and bromine gases be if the partial pressure are 2.20 atm, 6.70 atm, 0.03 atm respectively

A fossilized bone contains about 65% of its original carbon-14. to the nearest hundred years, how old is the bone

A voltaic cell is constructed with two silver-silver chloride electrodes, where the half-reaction is

Starting with solid kcl and water, how many grams of kcl are needed to prepare 3.00 liters of a 2.00 m kcl solution?

How does concentration affect our daily lives in science?

How many nitrogen atoms are in 2.79 mo. of NH3

What is the chemical formula for polysaccharide?

What is the empirical formula of a compound composed of 32.9g of potassium and 6.73 g of oxygen

Glucose is not made from which of the following