2 C8H18 + 25 O2 → 16 CO2 + 18 H2O How many moles of water are produced by the combustion of 43.25 moles of octane?

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

How many energy levels contain electrons in an atom of zirconium (zr)?

Alithium atom has three protons, three neutrons, and three electrons. what is the overall charge on this atom?