Chapter 3 Vocabulary Review: Question Preview (ID: 7985)

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Compound that is the building block of a protein molecule
a) Acid
b) Enzyme
c) Nucleic Acid
d) Amino Acid

Energy of position, or stored energy
a) Potential Energy
b) Kinetic energy
c) Activation energy
d) Compound

Protein that lowers the energy needed to start a reaction.
a) Enzyme
b) Carbohydrate
c) Acid
d) Base

Type of bond formed when atoms combine by SHARING electrons.
a) Covalent
b) Ionic
c) Hydrogen
d) Electronegativity

Organic molecule composed of hydrogen and oxygen with a ratio of two hydrogen atoms to each oxygen atom
a) Carbohydrate
b) Protein
c) Lipid
d) Nucleic Acid

Region occupied by electrons moving around the nucleus of an atom
a) Electron cloud
b) Ionic cloud
c) Rain cloud
d) Ion levels

Substance composed of only 1 type of atom
a) Element
b) Compound
c) Molecule
d) Amino acid

Energy of motion
a) Kinetic energy
b) Potential energy
c) Activation energy
d) Ionic energy

Minimum amount of energy needed to start a chemical reaction
a) Activation energy
b) Kinetic energy
c) Potential energy
d) Ionic energy

Group of symbols showing the number and kind of each atom in a compound.
a) Chemical formula
b) Molecule
c) Carbohydrate
d) Chemical equation

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