walkercasey84 walkercasey84

13-06-2017
Chemistry

contestada

How many protons are in the radioactive isotope 40/19 K ? 40 19 21 20

Respuesta :

13-06-2017

the answer is 19
i know that

Answer Link

mjd0623 mjd0623

28-11-2018

The answer to tis question is 19

Answer Link

Otras preguntas

Joe is the best baseball player in the world. He can throw a baseball faster than anyone. If the mass of the baseball was increased by 50%, but he applied the

how many votes total were in the northern states in 1876

Heracles was the son of Zeus, a god, and Alcmene, a mortal. Zeus's wife, Hera, hated the child, who was originally named Alcides, but was renamed Heracles in a

What physiological adaptation helps annual plants whose climate has long periods of drought followed by brief periods of rain? A. smaller root cycle B. a

What was the result of the development of labor unions in the United States?

Read the following passage and answer the question. He had achieved a doze when, just as morning began to come, he heard, far off in the jungle, the faint repo

Why is it important to keep formulas separate from other information? a. So they can be quickly and easily referenced c. Both of these b. So the numbers in the

There are two pizzas. Conor ate 1/4 of a pizza, Brandon ate 2/8, Tyler ate 3/4, and Audrey ate 4/8. who ate the most of the two pizzas?

what is the opposite end of the chlorophyll molecule made up of

Factors in the 1700s that influenced the development of a new American culture