funwitfayy funwitfayy

03-09-2020
Chemistry

contestada

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

Respuesta :

poudelbinda8 poudelbinda8

12-09-2020

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

Answer Link

Otras preguntas

Pls help please please help me

Hi guys, I need your help. what is it? what are its parts? what is their division and which skills are evaluated? How to prepare for IELTS? TIPS for preparing

0.955 in expanded form

Four Fifth of Tom Hanks movies are sold out. What percent of the movies are sold out?

Comment en brouillant les frontières du familier et du surnaturel le récit fantastique met-il en scène le caractère parfois inexplicable du monde? Consigne : V

PLEASE HELP WILL GIVE THANKS OR BRAINLIEST!!!

What is the correct IUPAC name for Al(IO₃)₃?

FINE ARTS 1040 CHAPTER 3 HOMEWORK Explain how the work Samson Slaying a Philistine uses line, form, and mass to create its emotional effects.

PLEASE ANSWER ANY OF THEM!!! I BEG!!!!!!!!!!! question 1 In the Dalai Lama's Nobel Peace Prize lecture, what country is mentioned as assisting and protecting T

What is a endothermic reaction