4

Discovery of the Atomic Nucleus.

0

Water molecules have been discovered on the previously thought to be dry moon.

0

The red blood corpuscles( RBC) also called “erythrocyte” are round and disc-like cells, and are thinned out in the center, this cells are very small.

1

The process of releasing energy from the food we eat.

0

Lewis sructures are everywhere in chemistry and being able to draw them quickly and correctly is key to suceeding in any chemistry class. Draw them in seconds with these six easy steps!

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A quick walk-through on balancing a simple chemical equation, an extremely important skill for any chemistry class.

2

There are two types of properties: physical properties and chemical properties.

1

The objective is to learn how to write a molecular formula for several carbohydrates and read a structural formula for several types of carbohydrates.

3

An experiment to test food for certain molecules.

0

What compounds and ions are like.