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

How tall is this building when rounding to the nearest hundred? The nearest thousand?
Paula is given a litre bottle of water during her fitness assessment at the gym. She drinks 375 millilitres of the water. How much is left?
How do u solve -5x-10=10
Can someone help me please? And show the work please.
Booker T. Washington focused on improvement of which of the following levels of society? A) the economic system B) the individual C) the legal system
describe a stradegy that let you locate fractions and decimals in the same number line
five times a number is 5 more than the number as equation
What is an example of a biotic form of carbon found in the cycle?
The least common multiple for 2 and 3
Is when once cell reproduces by dividing in half to become two cells?