What is the difference between mass number and atomic number

If 47.2 g of calcium chloride reacts with 135.2 g of nickel arsenate according to the following balanced equation, how many grams of nickel chloride are produced? 3CaCl2 + Ni3 (AsO4) 2---> 3NiCl2 + Can (AsO4) 2

Which of the following does not form a diatomic molecule? A. Hydrogen B. Nitrogen C. Chlorine D. Copper

Which is an example of chemical weathering? a. erosion of land caused by receding glaciers b. the layer of oxide formed on statues made of metal c. deposition of silt along the banks of the Mississippi River d.

A gas that exerts a pressure of 125.0 mm hg in a container with a volume of ___ ml will exert a pressure of 145 mm hg when transferred to a container with a volume of 0.4650 L.

Write a generic Lewis structure for the halogens. Draw the Lewis dot structure for X

Which two elements are the most abundant in the Earth's crust?

How do convection currents inside earths mantle affect the movement of the plates that makeup earth crust?

A neutron has approximately the same mass as

Joseph priestly discoverd and described the chemical properties of oxygen, what type of chemist would he be considered today

Lewis dot structure for SeO