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 law of supply states-when price increases, the quantity will ____. When prices decreases the quantity supplied will _____. We look at supply from the _____

Guys I really need help or I have to stay late up night

Match the following definitions to your vocabulary words. 1. separation from a main group to form a new group as a result of disunity ethnic 2. group of peop

Which contributions did Galileo make to the model of the solar system? Check all that apply.

Two vertices of a polygon are (7, −18) and (7, 18) . What is the length of this side of the polygon? Enter your answer in the box. units

Which statement best describes the polynomial

I’m your response, discuss how this part of the speech fits into the overall structure of the text and analyze how well it’s supports the authors overall purpos

The ______ zone, which exists from a depth of 0 to 600 feet, is home to the majority of ocean life.

what is involved in redox reactions

If a' = 9 and c' = 15, find b'