WindelCaceus123 WindelCaceus123
  • 18-11-2018
  • Chemistry
contestada

An atom of potassium has an atomic mass of 39 amu and an atomic number of 19. It therefore has ______ neutrons in its nucleus. a. 19 c. 20 b. 39 d. 2

Respuesta :

Аноним Аноним
  • 18-11-2018

i believe the answer is c) 20

Answer Link
hanimani2
hanimani2 hanimani2
  • 18-11-2018
The answer will be option c
Answer Link

Otras preguntas

What is the BEST way to combine the information from the two clauses below? Hasan played the cello solo in the spring recital. He is an excellent cellist. A)Has
how do cells in the ovary detect a hormone from the brain?
Which would a totalitarian government forbid? A. people voting in secret balloting for the candidates of their choice B. newspapers publishing editorials that c
Believing that economic depression was at least one catalyst to the outbreak of World War II, what program did the U.S. institute to prevent further war resulti
Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. How were the Brahmin of the Aryan Civi
A condition in which real or imagined fears are difficult to control is called?
What is half of 12? And explain how u got that answer.
what is thirty point zero five multiplied by ten
What is?... 18 1/7 - 11 5/6
Expand the nouns to provide information about the character. 1) farmer 2)lady 3) puppy 4) detective