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Presentation transcript:

Organics AtomsReactionsChemistry Odds & Ends

Why is carbon so important?

It is part of every living thing DNA Protein Carbohydrates

Why can carbon combine with itself as well as other elements?

It has 4 Valence electrons

Organic compounds contain what 6 elements?

Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus and Sulfur

What is the simplest form of an organic compound?

Hydrocarbons

Which of the following is a hydrocarbon? H 2 O C 2 H 4 C 12 H 22 O 10

H 2 O C 2 H 4 C 12 H 22 O 10

What are the charges of Protons, Neutrons and electrons?

Protons- Positive Neutrons- Neutral Electron- Negative

Which 2 parts of the atom have the most mass?

Protons and Neutrons They make up most of the mass of the atom

Where can Valence electrons be found?

In the outer shell Also known as a electron cloud

In an atom or isotope, the number of protons is equal to the number of ___?

The number of electrons This changes if an atom is an ion

Ions are?

Positively or negatively charged atoms

An elements atomic number represents?

The number of Protons

MgS  Mg + S What are the three parts of the equation called?

Products  (yield) Reactants

List two types of bonds that atoms can make?

Ionic, Covalent

What is the only thing that changes during a chemical reaction?

The order the atoms are arranged

What type of reaction is cooking a pizza?

Chemical Reaction

What is the Law of Conservation of Mass (in a chemical reaction)?

In a chemical reactions, atoms are neither created or destroyed, merely rearranged

What does a catalyst do?

Speeds up reactions

What is created when a chemical change occurs?

A new substance with new chemical properties is created

How many protons does Fluorine have?

9 Protons

What you start a reaction with and what you end a reaction with. What are these two things called?

Product and Reactant

Force =Mass x Acceleration If the Force is 75N and the acceleration is 10 m/sec 2 What is the Mass?

7.5 kg x 10 m/sec = 75 N Force =Mass x Acceleration

If the mass is 100 kg and the acceleration is 5 m/sec 2 find the force in Newtons?

100 kg x 5 m/sec = 500 N Force =Mass x Acceleration

Daily Double Draw a linear graph on the whiteboard

When 2 different elements combine into a molecule, it is called?

A compound

Isotopes have different number of?

Neutrons

After the catalyst is added, what happens to the rate of reaction? Rate of Reacti on decreasing increasing Catalyst Time (minutes)

It increases