anishaadhikari077 anishaadhikari077

02-01-2021
Chemistry

contestada

calculate the mass of one atom of helium.

Respuesta :

sumi9813 sumi9813

02-01-2021

Answer:

One atom lf helium has a mass of 4 u

Know that 1 u =1.66. 10-24g

Answer Link

Otras preguntas

Help with this question, please!

which organelle conatins chemicals that break down substances in the cell? a. lysosomems b. vesicles c. Mitochondria d. nucleus please help for tommoroq

A windmill converts the mechanical energy of wind into _________ energy produced by a generator. A) heat B) nuclear C) chemical D) electrical

what did President Wilson and his advisers view as the main causes of World War 1? Also, how did they see the 14 Points as ensuring future peace?

ANSWER THIS RIGHT!! 30 POINTS!! I NEED TO PASS MIDDLE SCHOOL SOMEONE GET THIS ANSWER RIGHT PLEASE <3

Choose the correct conjugation of theverb "comer" for the pronoun below:NosotrosA. comimosB. comieronC. comisteis

Which of the following is the correct factored form of the given equation? x 2 + 3x - 4 = 0

Which of the following literary terms is used to identify the reason that the author is writing an essay? Position Opinion Agenda Attitude

Feld defines success as being _____. A. wealthy B. attractive C. hard-working D. well-read

A system of equations and its solution are given below. system A -x - 2y=7 5x - 6y=-3 solution (-3,-2) Choose the correct option that explains what steps were f