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