Ions, Atoms, Molecules
Properties of Water
Carbon Based Molecules
Vocabulary
Hodgepodge of Questions
100
The smallest unit of matter
What is an atom
100
The attraction among molecules of a substance
What is cohesion
100
Molecules composed of carbon, hydrogen, and oxygen and also include sugars and starches
What is a carbohydrate
100
One particular type of atom that cannot be broken down into a simpler substance by ordinary chemical means
What is an element
100
Catalysts for chemical reactions in living things
What is an enzyme
200
An atom that has gained or lost one or more electrons
What is an ion
200
The attraction among molecules of different substances
What is adhesion
200
Nonpolar molecules that include fats, oils, and cholesterol
What is a lipid
200
A substance that dissolves in a solvent
What is a solute
200
The amount of energy that needs to be absorbed for a chemical reaction to start
What is activation energy
300
Two or more atoms held together by covalent bonds
What is a molecule
300
Have a region with a slight positive charge and a slight negative charge
What is a polar molecule
300
Molecules that contain carbon, nitrogen, oxygen, and sometimes sulfur
What are amino acids
300
A subunit in the complete molecule
What is a monomer
300
Change substances into different substances by breaking and forming chemical bonds
What are chemical reactions
400
Forms through the electrical force between oppositely charged ions
What is an ionic bond
400
A mixture of substances that is the same throughout
What is a solution
400
A polymer made of monomers
What is a protein
400
Change substances into different substances by breaking and forming chemical bonds
What are chemical reactions
400
the attraction among molecules of different substances
What is adhesion
500
Forms when atoms share a pair of electrons
What is a covalent bond
500
The substance that is present in the greater amount and dissolves another substance
What is a solvent
500
Polymers that are made up of monomers called nucleotides
What are nucleic acids
500
A substance that decreases the activation energy needed to start a chemical reaction
What is a catalyst
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