What is the electron configuration for aluminum

Which of the following is NOT an assumption of the kinetic theory of gases?

If there are 10.0 g of sucrose and 8.0 g of oxygen, how many moles of sucrose are available for this reaction? A.) 0.029 mol B.) 0.250 mol C.) 0.351 mol D.) 3.00 mol

How many moles of S2F10 are contained in a pure 128-gram sample of S2F10?

What is the voltage of a galvanic cell made with magnesium and gold

If the pH changes from 5 to 6, the H + would concentration would?

Is phosphorous an atom, element, or compound

A noble gas consists of three isotopes of masses of 19.99 amu, 20.99 amu, and 21.99 amu. the relative abundances of these isotopes are 90.92%, 0.257%, and 8.82% respectively. what is the average atomic mass of this noble gas? what noble gas is this?

Adding iron filings to sand

Which of the following sets of empirícal formula, molar mass, and molecular formula is correct?

Hexane and hexene are hydrocarbon compounds from different homologous series. the combustion of these two compounds produce different amount of soot. explain the difference based on the percentage of carbon by mass.