walko walko
  • 18-12-2020
  • Chemistry
contestada

What is the atomic mass of an atom that contains 21 protons, 21 electrons, and 25 neutrons

Respuesta :

connerbyington12 connerbyington12
  • 18-12-2020

44.95591 atomic mass units

Have a Merry Christmas!

Answer Link

Otras preguntas

The first table that Cory designs will seat 8 people. If the diameter is 5 feet, what is the area?
A computer’s cache is stored where?
What is the smaller root of the equation (x+4)(x-3)=0
How many infants with at least one birth defect would we expect among the 837 ivf infants if the true prevalence of at least one birth defect in the ivf group w
What happened in western NC in the fall of 1776?
A fish market bought two swordfish at a rate of $12 per pound. The cost of the larger fish was 3 times as great as the cost of the smaller fish. The total cost
A negative charge, q1, of 6 µC is 0.002 m north of a positive charge, q2, of 3 µC. What is the magnitude and direction of the electrical force, Fe, applied by q
Nick bought a pair of glasses for $200. He later saw the same glasses advertised for 20% less than what he originally paid. What price were the glasses being ad
Whats the answer to X+14=7x+32-3x
-17 / 4 equals V - 2