jgsdjfkklfj7025 jgsdjfkklfj7025
  • 01-06-2018
  • Chemistry
contestada

Potassium has a mass number of 40 and an atomic number of 19. how many protons does it have?

Respuesta :

KT0729 KT0729
  • 01-06-2018
19. The atomic number is the same as protons and electrons unless it have a - or a + charge the electrons are going to change
Answer Link

Otras preguntas

Which leader was a member of the Kikuyu tribe? A. Mohammad Gandhi B: Marcus Garvey C: Jomo Kenyatta D: Kwame Nkrumah
Penalty apr is interest that applies to the balance if___. Select The best answer from The choices provided. A. payments are on time B. Payment are late C. Pur
how do you yeetus and deletus danielle cohn out of the universe​
15) x +1 +1 +6x > 3(x - 4) - (x - 4)​
What is pass through entity
15% of 20 isΟ 30Ο 300​
What united states federal program was introduced in 1980 to clean up abandoned toxic and hazardous waste sites.
Your parents ask you to choose between two offers for an allowance. The first offer is to receive one penny on the first day, 2 penny’s on the second day, 4 pe
Solve for u. 35 = u/2 + 12 THaNks :)
Greg plays baseball at a field where the baseball diamond is a square with each side of the square measuring 90 feet. If the baseball is thrown from home plate