samuelmonk samuelmonk

23-05-2022
Chemistry

contestada

What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?

Respuesta :

glowinglion glowinglion

23-05-2022

Answer:

mass number=126

Explanation:

57+69=126

Answer Link

Otras preguntas

Imagine a situation in which the number of urea leak channels increased dramatically in the ascending limb of the loop of Henle. What could be one likely conseq

Sam left his school at 3:05. He walked at a speed of 3.2 mph. 15 minutes later, Al started running after him, and he caught up with Sam 10 minutes later. What w

can I get the answers for number 14 plz?

In a recent year, certain colleges and universities received about $268 million in aid. Ten years later, they received about $94 million. Find the percent of ch

The number of cells in an average-sized adult human is on the order of 10^14 cells. Use this information, and the estimate that the length of DNA contained in e

A cargo plane flew to Moscow and back. It took six hours longer to go there than it did to come back. The average speed on the trip there was 152 mph. The avera

A patient received a new heart transplant, but shows signs of graft rejection after 2 weeks. Which type of hypersensitivity reaction is in progress?" a) Type I

A major cause for gender inequality is believed to be (Points : 1) economic division of labor by gender. political leadership. women’

How is the location of an electron described?

Fill in the chart below. Please use the phrase ‘almost none’ for the lower two rows if it applies.