Chemistry! #3

This is a Bohr model of the chemical formula K₂O. It is on ionic compound, which is why why each of the ions has brackets around it.

 

This is a Lewis diagram of the chemical compound SCl_2. The reason this picture doesn't have brackets around it is because it's covalent. 

So, I know the difference between Lewis diagrams and Bohr models (The Lewis diagram shows only the valence electrons, the Bohr models show all the electrons) I also know the difference between covalent and ionic compounds. (Covalent compounds are two non-metals and ionic compound are one metal and one non-metal)

Chemistry! #2

The next thing I want to post for the chemistry part of my portfolio is questions out of the text book. These questions come from page 265 and are skeleton equations that I had to A) classify the reaction B) finish the equation C) balance the equation. The parts of the equation that I underline will be the part that was in the textbook. --- N

Fe₂O₃ ----> Fe + O₂   (Decomposition)

Al + NiBr3 ---> AlBr3 + Ni (Single Replacement)

3Cl₂ + 2NiBr2 ---> 2NiCl₃ + 2Br2 (Single Replacement)

2HCl + Mg(OH)₂ ---> 2H₂O + MgCl₂ (Neutralization)

2C₁₈H₃₈ + 37O₂ ---> 38H₂O + 36CO₂ (Combustion)

6Li + N₂ ---> 2Li₃N (Synthesis)

AgNO₃ + Na₂CrO₄ ---> AgCrO₄ + Na₂NO₃ (Double Replacement)

I put this in because it shows not only that I know the six different types of reactions, but I also know how to balance equations.