3. What do we call atoms of the same elements with different mass numbers?

The molecular formula for glucose is c6h12o6. what would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?

Isotopes of an element will always differ in.

Elemental analysis of a compound, once used as a pesticide, was found to be 74.2% carbon, 8.64% hydrogen, and 17.2% nitrogen. What is the empirical formula of this compound?

Why does light that passes through our windows at home not display the beautiful colors

How many moles are in 25 g of NaCl

For the reaction represented by the equation 2na + cl2® 2nacl, how many grams of chlorine gas are required to react completely with 2.00 mol of sodium?

What is always true of a weak acid

Which monosaccharide commonly found in all disaccharides?

DDT, an insecticide banned in the United States for most uses, has the formula C14H9Cl5. Find its percent composition.

A 8.50 g sample of KCl is dissolved in 66.0 mL of water. The resulting solution is then added to 72.0 mL of a 0.280 M CaCl2 (aq) solution. Assuming that the volumes are additive, calculate the concentrations of each ion present in the final solution.