In order to determine the mass of an atom, you would add:

protons and electrons

all protons

protons and neutrons

neutrons and electrons

How many molecules of NaCl are there in 250 grams of table salt

The transfer of from one molecule to another is an oxidation-reduction reaction, or redox reaction.

I don't get it how the question says select all that apply and only give us one answer don't you think its common sense that there is more than one answer?

How would agglutination reactions be used to locate the source of an epidemic?

What choice is not a characteristic of a catalyst?

Calculate moles of oxygen atoms in 0.68mol of KMnO4

C2H6 (g) + O2 (g) → CO2 (g) + H2O (g) (not balanced) Determine the number of liters of CO2 formed at STP when 240.0 grams of C2H6 is burned in excess oxygen gas?

What type of change is baking a cake? Why?

The van der Waals forces of attraction between molecules always become stronger as molecular size 1) decreases, and the distance between the molecules increases 2)) increases, and the distance between the molecules decreases 3) decreases, and the

Which civilization formed a confederation thay may have impacted the us government A. Powhatan B. Algonquian C. Iroquois D. Anasazi