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

One leg of a right triangle is decreasing at a rate of 555 kilometers per hour and the other leg of the triangle is increasing at a rate of 141414 kilometers pe
the moral implications of abortion depend on the concept of
Write down one organelle a plant cell does not have.
how can you find the area or perimeter of a trapezoid, rhombus, or kite?
Investors who acquire preferred stock: Multiple select question. will receive more dividends than common stockholders. have preference over creditors. do not ha
How many months will the plant be 45 inches tall?
from the book the giver, explain how families are formed in Jonas's community and why this is significant so far in the story, within your analysis, use at leas
If 10% of a bill is deducted, still rupees 27,000 is left to be paid. How much was the bill?
Organize a debate competition on the topic Literacy is the main base of nation development,​
Discuss TWO post-Korean War American foreign policy crises/conflicts and consider what if any role the “Cold War Lens” had in forcing an American response. [Col