The number of protons in an atom is represented by an element's
a) mass number.
b) atomic number.
c) atomic mass.
d) valence number.
e) None of these choices.
Answer: b
You might also like to view...
Typical renal blood flow is about ________ ml/min under resting conditions
A) 500 B) 800 C) 1200 D) 1800 E) 2500
The jaw joint is the articulation of the ________ and the ________
A) mandible; zygomatic bone B) mandible; sphenoid bone C) mandible; temporal bone D) mandible; maxilla E) maxilla; zygomatic
A ________ joint is found between a metacarpal and its adjacent phalanx.
Fill in the blank(s) with the appropriate word(s).
Which are characteristic of type A blood?
a: Has anti-A antibodies b: Has anti-B antibodies c: Has surface antigen A on its erythrocytes d: Has surface antigen B on its erythrocytes e: Has neither surface antigen A nor B on its erythrocytes f: Will agglutinate with blood type B A. b, c, d, f B. a, c, d, f C. a, d, f D. b, c, f E. a, c, f