Answer the following questions in the questionnaire. SO3, SeS3, SeO3 1) How many total valence electrons for each compound in your set?
2) How many bonds in each compound in your set?
3) How many lone-pair electrons on the central for each compound in your set?
4) What is the electronic geometry for each compound in
your set?
5) What is the molecular geometry for each compound in your set?
6) Do you see a trend? What is the pattern?

What are the similarities of physical and chemical change ?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (