1. Quiz Show
Chapter 5 Vocabulary

2. These are the reactive metals located in Group 2 of the periodic table
These are the reactive metals located in Group 2 of the periodic table. These elements have two electrons in their outer energy level which makes them reactive with water and halogens.
Alkaline Earth Metals

3. Representative Elements
This is a group of elements from the periodic table that have their outer level electrons in the same period as the row in which they are located.
Representative Elements
(Main Group Elements)

4. This is the distance from the center of the nucleus of an atom to its outermost electron.
Atomic Radius

5. This is the amount of energy required to remove the outermost electron from an atom.
Ionization Energy

6. This is the highly reactive family of elements with 7 valence electrons.
Halogens

7. An electron in the highest occupied energy level of an atom.
Valence Electron

8. In a circle or sphere, this is any line segment from its center to its perimeter.
Radius

9. This is a characteristic of the elements in the periodic table that shows a pattern. It may increase or decrease across or down the table.
Periodic Trend

10. These are the highly reactive elements located in Group 1 of the periodic table. These elements have one electron in their outer energy level which makes them highly reactive with water and halogens.
Alkali Metals

11. This is the amount of “pull” an atom has for an electron in a chemical bond.
Electronegativity

12. This is a group of elements with few valence electrons that conducts heat and electricity.
Metals

13. One class of elements having properties intermediate to metals and nonmentals.
Metalloids

14. This is the repetition of chemical properties when organized by their atomic number, first noticed by Mendeleev.
Periodicity

15. The decrease in attraction of outer electrons of larger atoms due to the repulsion from inner shell electrons.
Shielding Effect

16. A positively charged ion
Cation

17. This is an element with full valence shell, very unreactive.
Noble Gas

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20. The Sun is a star.

21. What is the name of our galaxy?
The Milky Way

22. How many planets in the solar system have rings?
Four planets.
Jupiter, Saturn, Uranus, and Neptune all have rings.

23. What is inertia? Measurement of electrical resistance
A ratio between mass and velocity
Resistance to motion or change
The speed at which an object falls
All of the above

24. Match the device to what it measures:
Stop Watch
Distance
Scale
Temperature
Thermometer
Elapsed Time
Speedometer
Weight
Odometer
Rate of Travel