Why is hydgron content with only 2 electrons instead of 8 like atoms in periods greater than 1?

Which lists all of the substances that appear in equilibrium constant expressions? pure gas and pure liquid pure gas and aqueous solution pure solid and pure liquid aqueous solution and pure liquid

Which state of matter has no define volume or definite shape but expands to fill the available volue of s container?

Ozone, methane and oxygen gas are classifed as A. Ionic compounds B. Covalent compounds C. inorganic compounds or D. nonreactive compounds

The passage of electricity through an electrolyte solution is caused by

If you mix a 25.0mL sample of a 1.20m potassium sulfide solution with 15.0 mL of a 0.900m basium nitrate solution and the reaction occurs. K25 (aq) + Ba (NO₃), (ag) 2 KNO₂ (aq) + Bas (s). If the above reaction produced 2.

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom

How is the ocean important to human survival? restate the question