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

which type of exercise contributes most to building strong bones

Which you of medicine mills cancer cells in the body, but also kills healthy cells

An eating disorder is the result of distinct changes in brain chemistry. a. True b. False

Into the first sentence of an article

if you need to apply a c-spine then do you switch you assesment over to a trama assesment

Could someone explain me ... I would appreciate . Thank you

If your in some emotional difficulty and drama what should you do and what process would you use to fix it?

What is the ph of an aqueous solution with [h3o+] = 2×10−14 m ?

Find the least common multiple for each set of whole numbers.16.) 2, 3 17.) 5, 4 18.) 3, 4, 8

Need help!! Cuz I really don't know Which of the following expressions is equal to 0 for some value of x?