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 hours are 180 minutes

how can bureaucratic personality be dangerous

Is the E-CIG industry more "safe" than the actual tobacco companies? Why? If someone offered you E-CIGS than cigarettes would you say yes or no? Why?Full Paragr

Which characteristic is shared by sonnets and haiku?

Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/

If the length of each side of a square prism is ten feet. Find the total surface area of this object

Hello, I need help please for mission 3 thank you very much.

india takes the two hour train ride from minneapolis to chicago every dummer to visit her grandparents. The train traveled 44 7/16 (thats a mixed number) mile

What number is equivalent to 13/2

Hassan's backyard swimming pool is 30 feet long, 20 feet wide, and 5 feet deep. There are 7.5 gallons of water in 1 cubic foot. How many gallons of water will t