What is the concentration of OH - in pure water at 298k

Which would least strongly attract electrons from other atoms in a compound? elements of group 1 elements of group 2 elements of group 15 elements of group 17

The graph of a linear equation may not be a straight line? true or false

Do wind up clocks need batteries? - like the non wired ones.

If an element has 13 protons, how many electrons are in its outer shell?

How many moles are in 64.8 l of f2 gas

What is a property of a combustion reaction? A. Oxygen gas, O2, is a reactant. B. The products are simpler than the reactants. C. The reactants are simpler than the products. D. An uncombined element is on the reactant and product side.

For an endothermic reaction at equilibrium, the addition of a catalyst Group of answer choices causes no shift causes a shift to the right causes a shift to the left makes it an exothermic process

The atomic number of an element best corresponds to which of the following? O The mass of an atom of that element. O The number of electrons orbiting the nucleus of an atom of that element.

If a dinosaur once lived in mexico, and i now live in arkansas, can i be drinking the same water the dinosaur did?

Dough to which potassium bromate has been added rises better, producing a lighter, larger volume loaf.