Determining the atmospheric pressure of partial pressures.

What is the atmospheric pressure if the partial pressures of nitrogen, oxygen, and argon are 77.75 kPa, 19.94 kPa, and 1.99 kPa, respectively?

Naming, classifying the shapes and writing the electronic configuration of compounds and molecules. Attachment in MS Word.

1. What is the name of the following compounds? SO2 NO2 2. Name the shapes of these molecules? a) sulphur dioxide b) sulphur hexafluride 3. Write the electronic configuration of a) N2+ b) F- c) O2-

lewis dot structure

not sure how the lewis dot structure works. would appreciate a simple explanation

An explanation of the Lewis dot structure.

Explain the Lewis Dot structures.

Quantum numbers

Which element(s) has an outermost electron that could be described by the following quantum numbers: (3,1,-1,+1/2) ?