Multiple Choice
By weight, which element is the second most abundant in the human body?
A) oxygen
B) carbon
C) hydrogen
D) nitrogen
E) calcium
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q80: Oxygen (atomic number 8) requires how many
Q81: Lipids that are produced by nearly every
Q82: Chemical reactions that yield energy, such as
Q83: The structure of RNA differs from DNA
Q84: Which of the following is the symbol
Q86: Magnesium atoms have two electrons in the
Q87: The pyrimidine bases found in DNA are
Q88: Collectively, reactions that break down molecules are
Q89: If a pair of electrons is unequally
Q90: The "atomic number" of an atom is