Elements in living things Flashcards
Of the 92 naturally occurring elements how many of them make up living things?
26
Hydrogen is a gas, liquid or solid?
gas
Which element in the universe is the most abundant?
hydrogen
Which element is so light that it easily escapes the earth’s gravity?
hydrogen
Which gas is 16 times heavier than hydrogen?
oxygen
What percent of oxygen makes up a typical animal?
63 percent
What percent of oxygen makes up a typical plant?
77 percent
What element is charcoal mostly made of?
carbon
What element are diamonds made of?
carbon
Carbon makes up what percent of a typical animal?
19 percent
Carbon makes up what percent of a typical plant?
12 percent
What three elements make up the simple sugar glucose?
carbon, oxygen, and hydrogen
What gas makes up 79 percent of the earth’s atmosphere?
nitrogen
Which elements are not found in nature as a pure element?
phosphorus and calcium
