# Glencoe Physical Science

## Chapter 19: Elements and Their Properties

### Use Circle Graphs

 1 Using the graph of composition of air, how many degrees does nitrogen represent? (4.0K) A) 280.8 degrees B) 76 degrees C) 3 degrees D) 281 degrees 2 Using the graph of composition of air, how many degrees does oxygen represent? (4.0K) A) 21 degrees B) 50.3 degrees C) 75.6 degrees D) 281 degrees 3 Using the graph of composition of air, how many degrees does other represent? (4.0K) A) 1 degree B) 90.2 degrees C) 75.6 degrees D) 3.6 degrees 4 Look at this graph. How many degrees does hydrogen represent? (5.0K) A) 93.5 degrees B) 336.6 degrees C) 339 degreees D) 360 degrees 5 Look at this graph. How many degrees does helium represent? (5.0K) A) 6.3 degrees B) 63 degrees C) 22.7 degrees D) 226 degrees 6 Look at this graph. How many degrees does nuclear power represent? (7.0K) A) 20 degrees B) 72 degrees C) 250 degrees D) 360 degrees 7 Look at this graph. How many degrees does natural gas represent? (7.0K) A) 14 degrees B) 25 degrees C) 50.4 degrees D) 120.5 degrees 8 Look at this graph. How many degrees does petroleum represent? (7.0K) A) 4 degrees B) 14.4 degrees C) 28.3 degrees D) 17 degrees 9 Look at this graph. How many degrees does coal represent? (7.0K) A) 183.6 degrees B) 200.2 degrees C) 220 degrees D) 51 degrees 10 According to the graph, which is used most to generate electricity? (7.0K) A) coal B) hydroelectric C) natural gas D) petroleum