rachelfugere00 rachelfugere00
  • 03-04-2017
  • Physics
contestada

How many neutrons does element X have if its atomic number is 40 and its mass number is 160?

Respuesta :

dellaM dellaM
  • 03-04-2017
160-40 = 120 ................
Answer Link

Otras preguntas

Which sequence correctly describes the flow of genetic information in a cell? a. Proteins → RNA → DNA b. DNA → RNA → Proteins c. RNA → Proteins → DNA d. The fl
I need help on the problem #53 it asking to prove if it is an identity.
Which historical era was marked the beginnings of European explorations, conquests of the Americas, trans-Atlantic slave trade and the rise of a globally intert
The heritable variation among members of a population comes about because of
please answer as quick as posible!!!!!!!!!!! Which principal part is this verb form? flew A. present participle B. present C. past D. past participle _____
World history is the story of human choices that link the past to the present and influence the .
what geographical feature are shared by all four ancient chinese empires
What is 33 divided by 1862
How are atoms and molecules the same? How are they different?
Amino acids are the building blocks of which class of macromolecules?