chrisparis18 chrisparis18
  • 04-06-2020
  • Chemistry
contestada

how many protons, neutrons, electrons, does isotope number 19 and mass of 39?

Respuesta :

shaidenlovesdogs
shaidenlovesdogs shaidenlovesdogs
  • 04-06-2020
Answer is potassium: 19 protons, 19 electrons, 20 neutrons, mass of 39
Answer Link

Otras preguntas

4) Write about what do you think of those predictions in excersice 3 will come true ?EXERSICE 3 predictions:1) I expect that most of my generation will live to
The brakes on a 15,680 N car exert a stopping force of 640 N. The car's velocity changes from 20.0 m/s to 0 m/s. What is the mass of the car? (Estimate 10 N/kg
Karen wants to create a program that will allow the user to input their age. Which of these lines of code should be used? print("What is your age?") age = ("Wha
Write an equation in slope-intercept form for the line with slope -2 and y-intercept 9.
which image correctly represents the cloud computing architecture
AB= 17 cm and BC= 12.75cm Find DB.
Han wants to buy a pair of $150 headphones. He has a 10% off coupon. Han thinks he will save $10 using this coupon. Is he correct?
Solve and check: x + 10 + 4x + 90 = 180
What are the coordinates of D’ when the quadrilateral is reflected across the line y = x?On a coordinate plane, quadrilateral A B C D has points (1, 2), (2, 4),
1. why is population loss not a problem in rural communities 2a. what could governments do to help rural communities survive 2b. should governments be involv