This type of reaction involves the release of free energy?
A. Endergonic
B. Exergonic
C. Redox
D. Chemical
What is exergonic reaction?
100
Part of the atom that is negative.
A. Electron.
B. Proton
C. Neutron
D. Nucleus
What is the electron.
100
What is the range of the pH scale?
A. 0-7
B. 7-14
C. 1-14
D. 0-14
What is 0-14.
100
What is a type of bonds that involves the transfer of electrons?
A. Covalent Bond
B. Ionic Bond
C. Hydrogen Bond
D. Polar and Nonpolar Bonds
What is a ionic bond
100
What type of reaction can proceed forward or backwards?
A. Forward Reaction
B. Backwards reaction
C Reversible reaction
D. Redox Reaction
What is a reversible reaction.
200
This type of reaction involves the release of free energy?
A. Endergonic
B. Exergonic
C. Redox
D. Chemical
What is an exergonic reaction.
200
What are the two parts of the atom that are located in the nucleus?
A. Proton and Nucleus
B. Proton and Neutron
C. Proton and Electron
D. Neutron and Electron
What are the proton and neutron.
200
Is ph2 more ore less acidic than pH12?
A. More
B. Less
C. They are the same.
What is more.
200
What are the two types of covalent bonds?
A. Covalent Bond
B. Ionic Bond
C. Hydrogen Bond
D. Polar and Nonpolar Bonds
What are polar and nonpolar covalent bonds.
200
When water dissociated, it forms equal number of these two ions.
A. Hydronium and hydroxide
B. Hydroxide and water
C. Hydronium and water
D. It does not dissociate
What are hydronium and hydroxide ions.
300
Chemical bonds are broken, atoms are rearranged, and new bonds are formed during this type of reaction.
A. Endergonic
B. Exergonic
C. Redox
D. Chemical
What is a chemical reaction.
300
A pure substance composed of two or more elements.
A. Atom
B. Element
C. Compound
D. Molecule
What is a compound.
300
An basic solution contains more of this ion?
A. H+
B. OH-
C. C
D. water
What is OH-.
300
This type of bond involves the sharing of electrons.
A. Covalent Bond
B. Ionic Bond
C. Hydrogen Bond
D. Polar and Nonpolar Bonds
What is a covalent bond.
300
What are the roles of an enzyme in a chemical reaction?
A. Slow down the reaction
B. Speed up the reaction
C. Increase the activation energy
D. Stop the reaction
What is to speed up the reaction.
400
This type of reaction involves the transfer of electrons between atoms.
A. Endergonic
B. Exergonic
C. Redox
D. Chemical
What is a redox reaction.
400
A pure substance that can not be broken down.
A. Atom
B. Element
C. Compound
D. Molecule
What is an element.
400
What is the pH of your stomach?
A. 0
B. 2
C. 7
D. 12
What is 2.
400
This type of bonding occurs in water between the hydrogen atoms.
A. Covalent Bond
B. Ionic Bond
C. Hydrogen Bond
D. Polar and Nonpolar Bonds
What is hydrogen bonding.
400
What is the difference between the solvent and the solute?
A. The solvent is used to dissolve the solute.
B. The solute is used to dissolve the solvent.
C. They both dissolve equally.
D They are the same thing
What is the solvent is used to dissolve the solute.
500
The amount of energy needed to start a reaction is called.
A. Free Energy
B. Activation Energy
C. Starting Energy
What is activation energy.
500
A particle composed of one or more atoms.
What are molecules.
500
What is the name of a substance that neutralizes small amounts of acids or bases in a solution?
A. Water
B. Buffer
C. Liquid
D. Neutralizer
What is a buffer.
500
These electrons, located in the outermost shell, are used to form bonds.
A. Outer electrons
B. Valence electrons
C. Charged electrons
D. Negative electrons
What are valence electrons.
500
Isotopes are atoms of the same element but with differing numbers of what?
A. Electron.
B. Proton
C. Neutron
D. Nucleus