Periodic Table of Elements Reading Guide Name: ______

Main Point (p. xxix): The organization of the ______is based on the ______of the ______and reflects the structure of ______.

Part I: p. 134-137

Label each part of this square, which is found in the periodic table of elements:

26
Fe
Iron
55.847

______= # of ______in an atom’s nucleus

______

______

______is the average ______of an element’s atoms

Isotopes are (p. 130) ______

______

(Page xxix) Each element has a specific number of ______in the ______(the ______) and each ______of the element has a different but specific number of ______in the nucleus.

Part II: Define the following terms:

1. Metals (p.138): ______

2. Nonmetals (p.149): ______

List the symbols of the 11 nonmetals:

_____, _____, _____, _____, _____, _____, _____, _____, _____, _____, _____

3. Semi-metals (p.155): ______

List the 8 semimetals: _____, _____, _____, _____, _____, _____, _____, _____

4. Inert Gases (p.154): ______

List the 6 Inert Gases: _____, _____, _____, _____, _____, _____

Color Key: Metals Nonmetals Inert Gases Semimetals/Metalloids

1. What is the atomic number of Oxygen? ______4. How many neutrons does the most common isotope of Oxygen have? ______

2. How many protons does Oxygen have? ______5. How many neutrons does O-15 have? ______

3. How many electrons does Oxygen have? ______6. Does the number of protons of an element ever change? ______

4. List 4 elements that have similar properties to O: ___, ___, ___, ___ 7. In which region of the periodic table is Oxygen located? ______