bucketofwaterd bucketofwaterd

01-10-2020
Chemistry

contestada

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

Please help :) !!!!!

Environmental challenges in the US include all of the following except __________.

Describe the transformation that occurred on f(x) to create g(x). Tranlslated: A. 6 units to the right B. 6 units to the left C. 7 units to the right D. 7 unit

ima just get help so

Which is the strongest oxidizing agent? lithium; li+ + e– → li e0 = –3.05 v hydrogen; 2h+ + 2e– → h2e0 = 0.00 v fluorine; f2 + 2e– → 2f–e0 = +2.87 v?

Visual art that evokes feelings of torment and pain is known as A. expressionism. B. impressionism. C. realism. D. sadism.

Connie is a compulsive saver because she _____. Select the best answer from the choices provided. A. regularly pays herself first when she gets her paycheck B.

In act 11 scene 3 of a Christmas carol: Scrooge and Marley, what is Scrooge’s first reaction on seeing cratchits family?

During the Renaissance, which development contributed most the Protestant reformation

Find the value of y . 8/20 = y/60 y = ___.