Question

name: louis park jhs chemistry department
podcast #4 - beryllium: the modern sisyphus
google: the episodic table of elements
after the video, match each term with its correct definition or description. write the letter of the correct answer on the line provided.
part 1: matching

1. — beryl
2. — glucinum
3. — alkaline earth metals
4. — b emerald
5. — berylliosis
6. — neutron
7. — alloy
8. — gyroscope

a. a dangerous disease caused by breathing beryllium dust.
b. a gemstone that is a type of beryl with a green color.
c. the original name for beryllium, meaning \sweet.\
d. the gemstone that gives beryllium its name.
e. the group 2 metals on the periodic table.
f. a small particle used in a nuclear reactor \cage.\
g. a tool used in airplanes to measure direction.
h. a mixture of metals, like beryllium and copper.
part 2: multiple choice - choose the best answer for each question while youre listening to the podcast.

1. the name \beryllium\ is based on a greek word that means:

(a) \sweet\

Explanation:

1. Beryl - C. A gemstone that gives beryllium its name. Beryl is a mineral from which beryllium can be extracted.
2. Glucinum - C. The original name for beryllium, meaning "sweet." Glucinum was an old - name for beryllium due to the sweet taste of some of its salts (though beryllium compounds are toxic).
3. Alkaline Earth Metals - E. The Group 2 metals on the periodic table. Alkaline earth metals are in Group 2 of the periodic table.
4. Emerald - B. A gemstone that is a type of beryl with a green color. Emerald is a variety of beryl known for its green color.
5. Berylliosis - A. A dangerous disease caused by breathing beryllium dust. Berylliosis is a lung disease caused by exposure to beryllium.
6. Neutron - F. A small particle used in a nuclear reactor "cage." Neutrons are involved in nuclear reactions in reactors.
7. Alloy - H. A mixture of metals, like beryllium and copper. Alloys are mixtures of two or more metals.
8. Gyroscope - G. A tool used in airplanes to measure direction. Gyroscopes are used for navigation in aircraft.

Answer:

1. C
2. C
3. E
4. B
5. A
6. F
7. H
8. G