2 (NH4) 2Cr2O7 how many atoms

What type of solution is formed when steam from boiling water evaporates into the air

What is a structure that contains ions arranged in an alternate repeating 3D pattern

How do you know that Al (OH) 3 (s) is a base?

Which of the following elements is most likely to have an oxidation state of + 2

Describe the trends in first ionization energy within groups and across periods in the periodic table. Provide Examples.

Compare the practical uses and limitations of nuclear fission and fusion. Include in your answer a detailed description of the two processes, comparing and contrasting them in terms of the types of atoms involved, the conditions needed to get the

Why can two igneous rocks have the same minerals but different names?

Where do the heaviest elements in our solar system come from?

Four students presented different analogies to describe the formation of an ionic bond. Student A: A tug of war between seven middle school students and a high school student Student B: A small dog and a big dog tugging at a bone with equal strength

Chemical reactions occur when molecules or atoms collide so that the bonds between atoms break and new bonds form. breaking the bonds of the reactants requires energy; whereas, bond formation releases energy.