If the mass of a material is 43 grams and the volume of the material is 9 cm^3, what would the density of the material be?

What are three main classifications of the elements

The elements of the periodic table are arranged in horizontal rows according to each successive element's greater ... ? 1. atomic mass 2. atomic radius 3. number of protons 4. number of neutrons

What cell part do all substances have to pass through to get in or out of all cells

Calculate the percentage of each element in acetic acid, hc2h3o2, and glucose, c6h12o6. b. these two substances have the same empirical formula. what would you expect the percentage composition of the empirical formula to b

Name the method that used to separated amino acids from fruit juice solution

What is the pressure of a gas at stp

Classify each of the following as an element, a compound, or a mixture: (a) copper (b) water (c) nitrogen (d) sulfur (e) air (f) sucrose (g) a substance composed of molecules each of which contains two iodine atoms (h) gasoline

What term describes an atom's tendency to hold on on to electrons?

What is the unit of catalytic reaction rate? a) Mole/time b) Mole * kg * time c) Mole * kg / time d) other

What is the chemical formula for the ionic compound calcium chloride? A) Ca2Cl B) CaCl2 C) Cl2Ca D) ClCa2