How many valence electrons does zinc oxide have?

Three different particles have the same electron configuration one is a cation of an alkali metal one is an anion of the halide in the third period and the third particle is an atom of a noble gas what are the identity of the three particles which

Can Iron replace Hydrogen in the following reaction?: Fe (s) + HCl (aq) - - - > H2 (g) + FeCl2 (aq)

AN atoms nucleus contains it's protons and electrons true or false

In one process, 5.95 kg of caf2 is treated with an excess of h2so4 and yields 2.45 kg of hf. calculate the percent yield of hf.

What is the flashlight energy transformation?

You know that 8.9 moles of solute particles are dissolved in that liquid solution. If the molarity of the solution is 25 M, how many liters of solution do you have?

Which of the following will most likely happen if you apply unbalanced forces to an object? It will change position. It will become charged. It will change mass. It will change size.

Magnetism easily separates what mixture? A). Sand and glass B). Sand and iron C). Sand and clay D). Sand and aluminum

Match the science with the best description?

Can magnetism be used to identify a substance