davidisho73 davidisho73

28-10-2019
Chemistry

contestada

What is the atomic mass of helium?

Respuesta :

Miarosalinda Miarosalinda

28-10-2019

4.002602 u
Being one of the lightest elements in the world, Helium has an atomic mass of 4.0026 u. u means Unified Atomic Mass Units. 1 u equals to the mass of 1/12 of the mass of a 12C ( Carbon - 12 ) isotope.

Answer Link

Otras preguntas

During a raffle drawing, 1/4 of the ticket holders will receive a prize. The winners are equally likely to win one of three prizes: a book, a gift certificate t

Toby and Ahmed are eating pizza. Toby eats 1/2 of the pizza and Ahmed eats 1/4 of the pizza. How much of the total pizza have they eaten? 1 point

In 1953 the collared dove had never been in the United Kingdom. Why does the growth of the collared dove flatten out in 1971

I need help I WILL GIVE BRAINLIEST!

I really need help please!!

help asap, 100 points and get brainlest

The scale drawing of a room to be 3 inches by 4 1/2 inches. carpet, which is $15.00 per square yard, is to be installed in the room

24. Julie has $200 to plan a dance. There is a one-time fee of $150 to reserve a room. It also costs $1.59 per person for food and drinks. What is the maximum

what were robert smalls Government roles/Beliefs

Read the excerpt from Mohini's essay about the Grimm brothers. When the Grimm brothers first published their collection of folk tales, they stuck to one rule: t