Samples of the same element are different ions because the number of what varies? neutrons

protons

electrons

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow