Honors Chemistry

Name: ______Date: ______Mods: ______

Unit 17: Organic & Nuclear Chemistry Review

  1. Using the condensed formulas below, name the following straight chain alkanes:
  1. CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3______
  1. CH4______
  1. CH3CH2CH2CH2CH2CH3 ______
  1. CH3CH2CH3______
  1. CH3CH2CH2CH2CH3______
  1. Write the molecular formula (CnH2n+2) and condensed formula for straight-chain alkanes:

Molecular Formula Condensed Formula

  1. Butane ______
  1. Nonane ______
  1. Ethane ______
  1. Heptane ______
  1. octane ______
  1. Vocabulary Matching: Match the following terms to their proper definitions:

  1. ______
/ The longest possible continues chain of carbon atoms in a compound /
  1. alkane

  1. ______
/ Simplest hydrocarbon containing only single covalent bonds /
  1. alkene

  1. ______
/ Compounds that have the same molecular formula but different molecular structures /
  1. alkyne

  1. ______
/ Hydrocarbons containing carbon-carbon double covalent bonds /
  1. hydrocarbon

  1. ______
/ An atom or group of atoms that can take the place of a hydrogen atom on a parent hydrocarbon molecule /
  1. substituent

  1. ______
/ Hydrocarbons containing carbon-carbon triple covalent bonds /
  1. isomer

  1. ______
/ Organic compounds that contain only carbon and hydrogen /
  1. main chain/parent chain

  1. Circle the following correct responses:
  1. Strongest Bonding: alkanealkenealkyne
  1. Longest Bond Length: alkanealkenealkyne
  1. Unsaturated hydrocarbon:alkanealkenealkyne
  1. Linear VSEPR geometry:alkanealkenealkyne
  1. Tetrahedral VSEPR geometry:alkanealkenealkyne
  1. Trigonal Planar VSEPR geometry:alkanealkenealkyne
  1. Name the following branched-chain hydrocarbons (mixed alkanes, alkenes, and alkynes):

______

______

______

______

  1. Draw the structural formulas for the following branched chain hydrocarbons (mixed alkanes, alkenes, and alkynes):
  1. 3-ethyl-2,2,4-trimethyl-octane
  1. 4-methyl-2-hexene
  1. 3,4-dimethyl-1-pentyne
  1. 2,3-dimethyl-butane
  1. 2-methyl-4-propyl-heptane
  1. Organic Functional Group Matching:

A)Ester

B)Ether

C)Amide

D)Keytone

E)Aldehyde

F)Carboxylic Acid

G)Alcohol

H)Nitrile

1. / ______/ / 5. / ______/
2. / ______/ / 6. / ______/
3. / ______/ / 7. / ______/
4. / ______/ / 8. / ______/
  1. Nuclear Matching:

A) Alpha emission / B) Beta emission / C) Positron emission / D) Gamma emission / E) Fusion / F) Fission
  1. ______ 2. ______ 3. ______ 4. ______
  1. ______Type of decay that occurs with very heavy/large radionuclides
  2. ______Occurs when a heavier nucleus splits apart (usually begins by absorbing a neutron)
  3. ______Type of decay that occurs when the nuclide is unstable because it has too many protons.
  4. ______Type of decay that occurs when the nuclide is unstable because it has too many neutrons.
  5. ______Occurs when smaller nuclei combine into a larger nucleus
  6. ______High energy radiation that is released but does not affect the mass number or atomic number
  1. Half-Life Problems
  1. Selenium-83 has a half-life of 25.0 minutes. How many minutes would it take for a 10.0 mg sample to decay so that only 1.25 mg of this radioisotope remains?
  2. The half-life of Po-218 is thee minutes. How much of a 2.0 gram sample would remain after 15 minutes of decay?
  1. Complete the nuclear reactions below and when asked, state the type of nuclear decay occurring.

1. / / Type of Decay:
2. / / Type of Decay:
3. / / Type of Decay:
4. / / ------N/A------
5. / / Type of Decay:
6. / / Type of Decay:
7. / / Type of Decay:
8. / / Type of Decay:
9. / Argon-37 is bombarded by a positron to form a daughter nuclide.
10. / Potassium-42 decays through beta radiation.
11. / Radium-226 undergoes alpha decay.
12. / Magnesium-23 undergoes positron decay with gamma emission.