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

2(3) +5 What’s the answer

how do you think bacteria could enter the cell without damaging the cell membrane?

explain education brings change of knowledge,attitude and practice

Two resistances of 100ohms and 0 ohms were connected in parallel. What is the overall resistance

Rebecca wants to bye cupcakes and juice boxes for a party.Cupcakes come in packages of 12, and juice boxes come in packages of 10. She wants an equal number off

What would most likely happen if the global demand for grains and soybeans suddenly decreased?

Does society shape you and your values?

Estimation Solve the equation. First estimate using the perfect square closest to 61. Then use a calculator. b2 = 61 Estimate. b-

101.08 LC Read and choose that best wesents the conversation - Buenos dias! -Hola -iis tu cumpleados toy! - Si tengo veintisiete alos hoy - Feliz cumpleados

hi can someone help me with this pls