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Organic Compounds. A review of elements, molecules, and compounds. Human Body Earth’s Crust. Why do you think the elements most common in the human body are not the same as the elements most common in the Earth’s crust?. Living and non-living things have different make-ups and need.

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organic compounds

Organic Compounds

A review of elements, molecules, and compounds

slide4
Why do you think the elements most common in the human body are not the same as the elements most common in the Earth’s crust?

Living and non-living things have different make-ups and need.

what are the rules for writing chemical symbols
What are the rules for writing chemical symbols?
  • The first letter in a symbol always begins with a capital letter.
  • If the symbol is composed of two or three letters, the second and third letters are written in lower case.
  • Letters are always printed, not written in cursive.
slide7

Be sure you know the 6 elements that

are found in all living things.

SPONCH

S Sulfur

P Phosphorus

O Oxygen

N Nitrogen

C Carbon

H Hydrogen

what is an element
What is an element?
  • An element is a pure substance
  • that cannot be broken down
  • into simpler substances. It
  • contains only one type of atom.
  • The use of symbols on the
  • periodic table is to represent
  • the elements that make up all matter.
slide9

Copper = Cu

Iron = Fe

slide10

NaCl

Salt = Sodium Chloride

Why isn’t NaCl on the periodic table?

Compound – Any substance

made by chemically combining

2 or more elements.

slide11

Photosynthesis

Which of the substances involved in photosynthesis are elements?

Which of the substances are compounds?

Which of the substances are molecules?

slide12

Cellular Respiration

Which of the substances involved in

Cellular respiration are elements?

Which of the substances are compounds?

Which of the substances are molecules?

slide14

What are Organic Compounds?

An organic compound is made up of carbon atoms bonded to atoms of hydrogen, producing hydrocarbons. (C-H) These hydrocarbons are then bonded with other elements. Examples are carbohydrates, proteins, lipids, and nucleic acids.

slide16

All organic compounds share similar characteristics. The most obvious similarity is that they all contain the "amazing element" - carbon. Most also contain hydrogen and oxygen as well. It is important to note that while all organic compounds contain carbon, not all carbon compounds are organic. Carbon dioxide is a compound that contains carbon and oxygen. However, carbon dioxide is not an organic compound. It is an inorganic compound.

slide17

Organic

or

Inorganic?

slide18

Riboflavin

C17H20N4O6

Organic

slide19

Nitric Acid

HNO3

Inorganic

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