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What properties do all matter have?
Anything that takes up space and has mass.
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Name the particles of an atom.
Protons, Neutrons, and Electrons.
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Which atom particles has the least mass?
Electrons
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An element like Hydrogen has how many types of atom?
It has one type of atom.
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Define compound.
Substances made of two or more elements chemically joined.
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Chemical bonding occurs when atoms try to fill what?
Outer orbit.
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Give an example of an ionic compound.
Na Cl (Sodium Chloride.)
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What ion does an acid have a high concentration of?
Acid is H+
Base is OH-
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What kind of scale is the PH scale?
logarithic
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Describe the head and tail properties of a phospholipid.
- head - hydrophic
- tail - hydrophobic
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What type of bond loses or gains electrons?
Iconic Bonds
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What is it called when water is attracted to other water molecules?
Cohesion bond.
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What type of bonding is when hydrogen is bonded to oxygen nitrogen and fluorine?
Hydrogen bonding
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Bonding that shares electrons.
Covalent bonding
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This is an organic compound (sugar) made of Carbon Hydrogen and Oxygen.
Carbohydrate
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Large organic molecules that don't dissolve in water.
Lipids
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What is the attraction of the water molecule to other polar molecules called?
Adhesion
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What type of bond makes up the water molecule HxO?
A covalent bond.
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Solution is a mixture of ___________?
One or more substances and area equally distributed.
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What is the basic unit of organic compounds?
Carbon
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Define a compound.
Two or more different elements chemically joined.
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What causes water to form drops?
hydrogen bonds.
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Why is an element a pure substance?
It has one type of atom.
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In the equation above CO2, H2O are called?
the reactents.
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When CH2O dissolves in water the PH of the solution is below 7 because extra _______ are formed.
acids
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In the above equation CH2O,O2 are called what?
The products
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Which is not a mono saccharide?
A. Fructose
B. Amylose
C. Galactose
D. Glucose
Amylose
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What carbohydrate functions as support in plants?
cellulose
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Draw a lipid. Be able to recognize a lipid molecule.
Head and tail
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Draw a carbohydrate. Be able to recognize a carbohydrate.
A hexagon
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What is the function of an enzyme in a reaction?
Types of catalysts used by living organisms. They are affected by PH, shape of enzyme and temperature.
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Which of the following statements regarding the graph is true?
C. The difference.....
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Reaction 3 in the graph.
C.
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What are the three types of lipids?
Fatty acids, phospholipids and wax
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What are the two types of nucleic acids?
Nudeolides, DNA and RNA.
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What is a molecule called that has a partial positive charge on one side of the molecule and a negative charge on the other?
Polar molecule.
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name the three parts of the DNA molecule.
Phosphate, carbon and nitrogen.
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What is a molecule that has a partial positive charge on one side and negative charge on the other?
Polar molecule
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Name three parts of the DNA molecule.
Phosphate, Nitrogenous bases, and Thymine.
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What are valence electrons?
An electron associated with an atom.
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How many valence electrons does Nitrogen have?
5
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What is the number of protons, neutrons, and electrons in Nitrogen?
- Protons is 7
- Neutrons is 7
- Electrons is 15
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