collinhambleton collinhambleton
  • 01-09-2021
  • Chemistry
contestada

Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?(1 point)

39


58


20


19

Respuesta :

mikhaeldonbosco
mikhaeldonbosco mikhaeldonbosco
  • 01-09-2021

Answer:

20 neutrons

Explanation:

Answer Link

Otras preguntas

And you choose this answer?
psilocybin-occasioned mystical-type experience in combination withmeditation and other spiritual practices produces enduring positive changes in psychological f
'''chemicals that evaporate from the soil of the tropics, ride the winds north thousands of miles, condense in the cold air, and fall on the arctic in the form
Point J (-8, -12) is reflected over the x-axis. Where is J’?
For the graph x = 1 find the slope of a line that is perpendicular to it and the slope of a line parallel to it. Explain your answer with two or more sentences.
The publisher of a newsletter uses the following models to estimate monthly sales revenue (R) and the monthly cost of production (C), in terms of the number of
the external muscle layer of the pharynx consists of three muscles composed of voluntary skeletal muscle.
Use with Chapter 1. Underline the answer that best defines the boldfaced word. 1. Organisms are spread throughout the biosphere, but it is a small layer of Eart
when an electron in an atom gains sufficient energy it can move to a higher energy level (further away from the nucleus). this is called an excited state. write
Please help me with this geometry question. x and pr needed ao basically like this x=(answer), PR=(answer). Thank you