JackelynBertman527 JackelynBertman527

02-06-2015
Chemistry

contestada

Isotopes of an element must have different
(1) atomic numbers
(2) mass numbers
(3) numbers of protons
(4) numbers of electrons

Respuesta :

IwAsSoMeGuY IwAsSoMeGuY

02-06-2015

They have different mass numbers, because they have different numbers of neutrons, and neutrons have a mass of 1, meaning changing the number of them will result in a change in the mass of the element

Answer Link

Otras preguntas

A multiple choice test has 9 questions each of which has 5 possible answers

Yoooooooooooooooo heeeeeeeelp

Please answer all of them!

The incandescent test lamp is used to check for the presence of A. AC current. B. DC voltage. C. DC current.

Which sentence uses the word vengeance correctly? ANSWER CHOICES IN THE PHOTO!!! Please hurry

Which of these was a cause of the war of 1813?

Vernon has obtained a $105,000, 5/1 30-year ARM at 5%. During the first 3 years, he has an option of paying interest only. If he accepts this offer, what would

Examine all of the different kinds of information that Lewis and Clark brought back with them. Explain how this information created an important body of knowled

List some instruments that are used to collect weather data

WILL AWARD BRAINLIEST PLEASE HELP WITH MATH IVE BEEN ASKING FOR HOURS! PLEASE ANYONE!!! 1) Solve the following equation by identifying all of its roots includin