First Semester Final Exam Review

1.  Define and give examples of:

Matter Pure substance Compound Element

2.  Define and give examples of a physical property or change.

3.  Define and give examples of a chemical property or change.

4.  What is an extensive property of matter? an intensive property? Give examples.

5.  Locate and describe the following areas of the periodic table

Alkali metals / Alkali earth metals
Halogens / Noble gases
Vertical columns / Horizontal rows

6.  Define the states of matter

gas / plasma
liquid / solid

7.  Define and give examples of the following:

Homogeneous mixture Heterogeneous mixture

8.  Distinguish between the properties of metals and nonmetals

9.  Know the metric units of measure

Mass Length Volume Time Density

10.  Know the metric prefixes

11.  Define density and use the formula to calculate the density of a material.

12.  Perform metric unit conversions

13.  Define and give examples of precision and accuracy.

14.  Be able to round numbers to a given number of significant figures

15.  Determine the number of significant figures in a measurement.

Multiplication/division Addition/subtraction

16.  Calculate the volume of a solid using the correct number of significant figures.

17.  Write a given number in scientific notation.

18.  Explain the law of conservation of mass.

19.  Understand the contribution of the following people to the principles of atomic theory.

Democritus Dalton Thomson Rutherford Chadwick

20.  Define the subatomic particles of the atom in terms of

Location Charge Mass

21.  Define atom and molecule.

22.  Define the following

Isotopes Mass number Atomic number Isotope notation

23.  For electromagnetic radiation, know the following

Frequency Wavelength Speed of light equation Energy equation

24.  For an electron in an atom, know the following terms:

Ground state Excited state Orbital

25.  List the principal energy levels of an atom and know the sublevels found in each one.

26.  Know the shapes of the s and p orbitals.

27.  Know the number of orbitals for each sublevel

28.  Explain the following principles and rules:

Hund's rule the Aufbau principle the Pauli exclusion principle

29.  Know the correct order of fill according to the Aufbau principle.

30.  Given the electron configuration, identify the element.

31.  Define valence electrons

Which electrons are included? What is the maximum number?

32.  The idea of arranging the elements in the periodic table according to their chemical and physical properties is attributed to whom?

33.  State the periodic law.

34.  Define the following and know the period trends:

Electron affinity Atomic radius Ionic radius Electronegativity Ionization energy

35.  Define cation and anion.

36.  Define the following types of bonds:

Nonpolar covalent Polar covalent Ionic

37.  What is the octet rule?

38.  Write names of ionic or covalent compounds from formulas.

39.  Write formulas of ionic or cavalent compounds from names.

40.  Name and write formulas for acids.