Row 1
The physical stuff that makes up everything in the universe is known as
Matter
True of false :
Temperature is a measure of the average speed at which particles move.
True
What is classified by the number of protons in its nucleus?
Atom
____________is the study of matter and the changes it experiences.
Chemistry
_______________ are the basic building blocks of matter.
Electrons
True/False A thorough understanding of chemistry and a biblical worldview are necessary to know how to properly use chemicals, such as in the use of medicines.
True
a pure substance made of two or more chemically combined elements
Compound
the smallest individual part of an element
Atom
The main purpose of carbohydrates for living things is for
Fuel
the smallest part of a covalent compound
Molecule
a substance that produces hydrogen ions in solution
Acid
True/false Water reacts with many substances because it is a nonpolar molecule.
False- it is a POLAR molecule
What are the three parts of an atom?
Proton, Neutron, and Electron
____________is a measurement of the speed of moving particles.
Temperature
___________are polymers made of amino acids connected by peptide bonds.
Proteins
is the process by which one substance breaks another substance up into smaller pieces, usually ions.
Dissolving
a substance that produces hydroxide ions in solution
base
The most significant element for living things is ____________.
carbon
A pure substance made of only one atom
Element
The attraction of one water molecule for another is known as
Cohesion
Organic compounds all contain the ELEMENT
Carbon
the tendency of energy to spread out
Entropy
Proteins are organic polymers consisting of chains of
Amino Acids
A thorough understanding of chemistry and a biblical worldview are necessary to know how to properly use chemicals, such as in the use of ______________.
Medicines
___________ compounds form when atoms Share electrons.
Covalent
In an __________reaction, the products have less energy than the reactants.
Exothermic
What are catalysts, large molecules, and lower the activation energy of a reaction?
Enzymes
A substance that decreases the activity of an enzyme is a(n)
Inhibitor
What contains instructions that cells use to build proteins?
nucleic acids
Ionic bonds occur between oppositely charged _______.
Ions
The molecule that fits the active site of an enzyme is known as the _______________.
Substrate
____________decrease the amount of activation energy necessary for a reaction.
Catalysts
_____________reactions yield products with more energy than that contained in the original products.
Endothermic
_________ equation shows both the reactants that enter into a chemical reaction and the products formed by that reaction.
Chemical
____________ is motion caused by the collisions between particles
Brownian motion
____________bonding involves the interaction of hydrogen with either oxygen, nitrogen, or fluorine.
Hydrogen