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

the people on the train are jk the following ratios men:children=5:3 women:children=3:2 find the ratio men:women in its simplest form

[tex]\qquad\qquad\quad\large{\pink{ \sf⿻Question⿻}} \\[/tex] [tex]\\[/tex][tex]\qquad\quad{\textsf{Find the square root of -16.}} \\[/tex]

the people on the train are jk the following ratios men:children=5:3 women:children=3:2 find the ratio men:women in its simplest form

Jason hits a volleyball so that it moves with an initial velocity of 6.0 m/s straight upward. If the volleyball starts from 2.0 m above the floor, how long will

The volume of a cube is increasing at the rate of 3.5cm³/s. Find the rate of change of the side of the base when it's length is 6cm

Find the value of m, if (5,8) is a solution of the equation 11 x-2y = 3m, then find one more solution of this equation

Will you marry me ?

Will you marry me ?

Create a flowchart to find the total of 10 negative numbers start from -1.

Will you marry me ?