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 :

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 many seconds are in 2 1/2

¿Qué países tienen una frontera con México? Which countries have a border with Mexico? Answer: los Estados Unidos, Guatemala, Belice on Edge <3

In a short paragraph, describe the transition of Rome form a republic to an empire. What was the republic like, and what caused it to become an empire. Please h

What should Americans be allowed to do during a time of war? Give your opinion – check any of the following actions that you think are appropriate. suggesting t

which world leader caused problems after wwii endedAdolf HitlerJoseph StalinHarry TrumanWinston Churchill

Solve using proper methods. Show work. (25 POINTS) Initially a tank contains 10,000 liters of liquid at the time t = 0 minutes a tap is opened, a liquid then fo

Identify the type of speech from the following quote: “Everyone in the audience knows what I’m talking about. This issue is serious. This issue is expensive.

1.32 repeating as a fraction

What is the relationship between space peace in more in JFK's speech race to space

20 gal = how many qt