bucketofwaterd bucketofwaterd

01-10-2020
Chemistry

contestada

(40 pts)Identify the mass number of an ion with 20 protons, 22 neutrons, and 18 electrons.

Respuesta :

Nikeon202 Nikeon202

14-10-2020

Answer:

42

Explanation:

Relative mass = number of protons + number of neutrons

Relative mass = 20 + 22

Relative mass = 42

Answer Link

Otras preguntas

The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length and width.

What is the lateral area of the rectangular prism? Assume the prism is resting on its base. A. 135 in2 B. 270 in2 C. 300 in2 D. 310 in2

The graph of y = 4x - 11 is translated up 8 units. Which equation represents the translated graph? f y = 4x - 19 g y = 4x - 3 h y = 12x - 11 j y = 12x - 3

Find an equivalent ratio for 22/55 then write the proportion ?

Buck drove 220 miles in 5 hours. What was his average rate of speed?

solve 2/3 + 1/4x = 1/3

Which word is an interjection commonly used in advertising?

what time is 9 hours and 30 minutes before. 4:25

The base of right prism is rhombus of diagonal is 6 and 8cm and altitude is 12 cm find total surface area

Horace read 160 pages in 4 hours. How many pages can he read in 6 hours??