How to get an A in chemistry

Charles Darwin did what

What is the kernel form of a ferric ion? (Electron Configuration)

Can some one explain what solubility means? I really do not get it and we have a sub for the next week

A microwave oven operates at 2.70 GHz. What is the wavelength of the radiation produced by this appliance? express answer in nanometers

Which statement about metamorphic and sedimentary rocks is true? A) Both types of rocks form under high temperature, but sedimentary rocks also require high heat. B) Only metamorphic rocks show signs of rock layers.

Which of these is a property of bases? They produce hydrogen gas when reacted with metals. They turn litmus paper blue. They feel sticky. They taste sour.

After Pangaea broke up, North America became part of what?

What the different betwen observe and reference

How many moles are in 12.5 g of H2O

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud