What are the two major elements that make up the Earth's Crust?

________ has a positive charge.

Which two elements produce the water compound?

All living things are made up of all of the following elements EXCEPT:

C9H8O4 has how many carbon atoms?

The _________ of an atom is made up of Protons and Neutrons

Horizontal rows in the periodic table are called what?

How do atoms combine chemically?

The ability of water molecules to stick together is called what?

What is known as the universal solvent?

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