Which of the following is true of a balanced equation? 1. The number of atoms per molecule remains the same

2. The kinds of atoms remain the same

3. The number of atoms of each element remains the same

4. The total number of molecules remains the same

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.