ikgopoleng1705 ikgopoleng1705
  • 08-05-2024
  • Chemistry
contestada

Nitrogen has two isotopes, N-14 and N-15, with an average atomic mass of 14.0067. The percentage abundance of the lighter isotope of nitrogen is:
a) 99.63%
b) 0.37%
c) 75%
d) 25%

Respuesta :

Otras preguntas

Translate to an equation and solve. Let x be the unknown number. 14 is 50% of what number?
0.7 is 10 times as much as
HOW MANY HALF METERS TOGETHER MEASURE 4 1/2 AND HOW DO YOU DO IT
8) solve for o≤x≤360 a) sin²x-sinx=0
The five major areas of the study of earth science are
What are the three particles of an atom
two heterozygous white (brown fur is recessive) rabbits are crossed
TRANSLATE THE FOLLOWING VERBAL STATEMENTS INTO ALGEBRAIC EXPRESSIONS: Three less than double a number half the product of sixteen and a number triple the square
explain how you can tell that 31/33 is in simplest form
How is the underlined gerund phrase used in the sentence? I loved the contestant's singing of the ballad. A. direct object B. subject C. object of a preposition