umusNoi9Milaura umusNoi9Milaura

25-01-2017
Chemistry

contestada

PLEASE HELP!!!
What is the atomic mass number equal to?
? # electrons
? # protons + # electrons
? # protons
? # protons - # electrons

Respuesta :

Chetan1 Chetan1

25-01-2017

atomic no = no of electrons present in atom
and atomic mass = no of protons + no of neutrons

Answer Link

Otras preguntas

is it greater or less?

Hi, you can ignore my previous question however I kindly ask of you to please answer this question, What activity in excess is least likely to cause cancer? A.]

Jacob spends 50 minutes in the gym every day doing freehand exercises and running on the treadmill. He runs on the treadmill for 30 minutes longer than he does

In a two digit number. the unit digit is thrice the tens digit. if 36 is added to the number, the digits interchange their place. find the number

please, list the role of computer in the society

What are the principle advantages of using brokers, personalised trading networks and associations in the marketing of international commodities?

Was the Dred Scott v. Sandford A civil or criminal case?

Carmen tutors English. For each hour that she tutors, she earns 20 dollars. Let E be her earnings (in dollars) after tutoring for H hours. Write an equation rel

The space shuttle carries c pounds of cargo, and each piece of cargo weighs 212.66 pounds. Which of the following expressions represents the number of pieces of

Is 3/4 less then or greater than 1 whole