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

637.892 rounded to the nearest whole number

1000-900+50 1000+50=150 Thats your answer

What is 110 mi/h converted to mi/day

what is the root word of enactment

Write a paragraph explaining how domesticating livestock allowed civilizations to spread.

Is 50% a rational or irrational number

with regard to age and social class who were the first settlers

What is the given name to a point of land extending into a body of water?

What is 4180 round to the nearest thousand

A section of a boardwalk is made using 15boards. Each board is 9/1/4 inches wide. The total width of the section is 144 inches. The spacing between each board i