Chemistry I Fall Semester Objectives

# Chapter 1 Matter and Change

1.

Define chemistry.

2.

Distinguish between the physical properties and chemical properties of matter.

3.

Classify changes of matter as physical or chemical.

4.

Explain the gas, liquid, and solid states in terms of particles.

5.

Use a periodic table to name elements, given their symbols.

6.

Use a periodic table to write the symbols of elements, given their names.

7.

Describe the arrangement of the periodic table.

8.

List the characteristics that distinguish metals, nonmetals, and metalloids.

# Chapter 2 Measurements and Calculations

9.

Describe the purpose of the scientific method.

10.

Distinguish between qualitative and quantitative observations.

11.

Distinguish between a quantity, a unit, and a measurement standard.

12.

Name SI units for length, mass, time, volume, and density.

13.

Distinguish between mass and weight.

14.

Perform density calculations.

15.

Transform a statement of equality to a conversion factor.

16.

Distinguish between accuracy and precision.

17.

Determine the number of significant figures in measurements.

18.

Perform mathematical operations involving significant figures.

19.

Convert measurements into scientific notation.

20.

Distinguish between inversely and directly proportional relationships.

# Chapter 3 Atoms: The Building Blocks of Matter

21.

Explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions.

22.

Summarize the five essential points of Dalton’s atomic theory.

23.

Explain the relationship between Dalton’s atomic theory and the law of conservation of mass, the law of definite proportions, and the law of multiple proportions.

24.

Summarize the observed properties of cathode rays that led to the discovery of the electron.

25.

Summarize the experiment carried out by Rutherford and his co-workers that led to the discovery of the nucleus.

26.

List the properties of protons, neutrons, and electrons.

27.

Define atom.

28.

Explain what isotopes are.

29.

Define atomic number and mass number, and describe how they apply to isotopes.

30.

Given the identity of a nuclide, determine its number of protons, neutrons, and electrons.

31.

Define mole in terms of Avogadro’s number, and define molar mass.

32.

Solve problems involving mass in grams, amount in moles, and number of atoms of an element.

# Chapter 4 Arrangement of Electrons in Atoms

33. Explain the mathematical relationship between the speed, wavelength, and frequency of electromagnetic radiation.