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

Select all the properties of a shield volcano listed below. A. Basaltic lava B. Violent eruptions C. Layered structure D. Found around the Ring of Fire E. L

How do you determine the circumference of a semicircle?

ahas 36 coins. this is 4 times as many coins as scott has.how many coins does scott have?

What is an example of a patient in crisis? a. a patient who recently earned a promotion at work b. a patient who started a new exercise regimen c. a patient

How do you find the perimeter of a box?

hich sentence is written in the active voice? the deep end of the pool was swum in by fred. fred swam in the deep end of the pool.

The framers included the supremacy clause in the constitution for the purpose of? a. giving federal government complete authority over all actions of state gov

FIRST IS BRAINIEST ANSWER FASTTT 10 MIN. ONLY FASTTT FIRST IS BRAINIST ANSWER FASTTT 10 MIN. ONLY FASTTT Describe the historical significance of Hernando de Sot

Explain how the use of irony in one of the works in this unit reflects the spirit of the Enlightenment. Include textual evidence to support your argument. Your

How many miles around is the earth??