Basic Chemistry
27 Questions
| Total Attempts: 73
Settings
Basic reactions. Mostly definitions.
Questions and Answers
- 1._____ bonds occur when electrons are shared between atoms.
- 2._______ are non spontaneous reactions, where energy is required for reactants to form products, driven by _______ reactions.
- 3.Polar______ molecules that readily dissolve in water, and _______ molecules don't readily dissolve in lipids.
- 4._____ are formed when atoms gain or lose electrons, and are hydro_____.
- 5.______ is the sum total of all chemical reactions that occur in cells.
- 6.When an ____ dissociates, it releases hydrogen ions.
- 7.______ bonds have unequal sharing of electrons between atoms and result in partially charged atoms.
- 8._____ are negatively charged, and _____ are positively charged.
- 9.______ occurs when water is required to break down a large molecule into a smaller subunit.
- 10.An ______ bond occurs when electrons are transferred between atoms.
- 11.Nonpolar ______ molecules don't readily dissolve in water, and ______ molecules readily dissolve in lipids.
- 12.______ reaction occurs when a biomolecule is broken down into its subunits.
- 13.What type of bond occurs between two covalently bonded molecules?
- A.
Hydrogen
- B.
Covalent
- C.
Ionic
- D.
Polar
- E.
Nonpolar
- 14._________ reaction occurs when subunits are combined to form a biomolecule.
- 15.__________ maintains a solution at a constant pH by accepting or releasing hydrogen ions in response to small changes in the concentration of hydrogen ions and is important in homeostasis.
- 16._____ bonds occur when electrons are shared equally between atoms.
- 17.______ occurs when a electron is lost from a molecule.
- 18.Blood is neutral at pH level __.
- 19.PH is the concentration of _______ ions in a mixture.
- 20.______ occurs when a phosphate group is added to a molecule.
- 21.________ occurs when water is lost when a large molecule is built from a small subunit, also known as dehydration synthesis.
- 22._________ occurs when a electron is accepted by a molecule.
- 23.______ occurs when a phosphate group is removed from a molecule.
- 24.The greater number of hydrogen ions results in an ____, levels between 1 and 6.
- 25.When a base dissociates, it releases ____ ions.
- 26.______ are spontaneous reactions where energy is released.
- 27.The lesser number of hydrogen ions results in a _____, levels between 8 and 14.
Back to top