The Nature of Matter
The Nature of Matter
Chemical Reactions
Water's Polarity
Biological Molecules
100
The smallest unit of matter.
What are atoms?
100
A negative charge and is in constant motion in the space surrounding the nucleus.
What are electrons?
100
Two or more atoms bond together to form molecules or bonded atoms are broken apart
What are chemical reactions?
100
Substances that are easily dissolved by water.
What is hydrophilic?
100
Building blocks of each biological molecules that form polymers.
What is monomer?
200
A positive charge bound to the nucleus along with neutrons.
What are protons?
200
One or more electrons transferring from one atom to another.
What is an ionic bond?
200
Substances found at the end of a reaction
What is products?
200
Water can not form solutions with these substances
What is hydrophobic?
200
Biological molecules composed of amino acids.
What is protein?
300
Three subatomic particles.
What are protons, neutrons, and electrons?
300
Bond forms between positive and negative charges.
What are hydrogen bonds?
300
Substances used in the beginning of a chemical reaction.
What is reactants?
300
Attraction between particles of a same substance
What is Cohesion?
300
Biological molecules made up of glycerol and fatty acids
What is lipids?
400
A pure substance composed of only one type of atom.
What is an element?
400
Substances formed by the chemical combination of two or more elements in definite proportions.
What are chemical compounds?
400
Reactions that can go back and forth between products and reactants
What are reversible reactions?
400
Attraction between 2 different substances
What is Adhesion?
400
Biological molecule made up of monosaccharides
What is carbohydrates?
500
The atoms share electrons.
What are covalent bonds?
500
Bonds that form between positive and negative charges.
What are hydrogen bonds?
500
Reactions that can on,y proceed in one direction.
What are irreversible reactions?
500
Ionic compounds combine with water and the individual ions react with the polar regions of water and break apart
What is disassociation?
500
Carry the genetic blueprint and instructions of the cell. Includes DNA and RNA.
What is nuclei acid?
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