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

What is the percent of increase from 50 to 90? A. 40% B. 44% C. 56% D. 80%

This theory was the driving force behind the Kennedy administration’s actions in Vietnam. What was it?

-12x 4y=-4 what is the soluition

Round 0.424 to the nearest hundredth

pets are-------that people home

whats 48 divided by 6?

The ratio of boys to girls in year 8 is 5:6 If there are 72 girls in year 8, what is the total number of students is the year level?

most molecules that contain carbon are _____? a.organic b.inorganic c.compounds d.minerals

Quien invento el tu o de ensayo

what are considered part of a country’s infrastructure?