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Chemistry

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Jamir Kuhn

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Cards in this guide (10)
Which two elements make up three-fourths of the human body

The two elements that make up 3/4 of the human body are Oxygen, and Hydrogen.

Why are some people fat and others are not

One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.

It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.

What do a dinosaur and a tree have in common

They bothe shared the same matter!

What type of bond do water molecules form with each other

Hydrogen Bond

What macromolecule is made up of nucleic acids

DNA and RNA are made up of nucleic acids.

If water were a nonpolar molecule how would its properties be different

water would not be able to form hydrogen bonds (wrong)


Apex - Water would not rise inside plants :P

Which equation has water as a product in the chemical reaction-

bromine water? The reaction between hexene, bromine, and water is an addition reaction.

Which best describes the nucleus of an atom

It is the part of the atom with the greatest mass.

Look at the diagram below. Which best describes the structure labeled X in the diagram

A membrane protein is transporting substances. APEX

Which atoms form an ionic bond

Magnesium and bromine (Apex)

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