Pretty easy, overall.
I have no strong feeling either way but it's a good source of knowledge of basic chemical reactions and bases of atoms. It doesn't hurt to learn it and learn a little more.
It went through the foundation of chemicals like atoms, neutrons and electrons. You also learn about the difference between different chemical compounds, and the different of chemical reactions or different combinations of chemicals.
Hours per week:
Advice for students:
Pay attention in class and don't be shy to ask questions. The class is less likely to be hard if you get a basic understanding of everything If it helps, study the things you don't understand and go to tutorials.