The Atomic Weight Standard - Deepstash

The Atomic Weight Standard

Oxygen was the atomic weight standard for the other elements until 1961 when it was replaced by carbon 12

Oxygen made a good choice for the standard before much was known about isotopes because although there are 3 natural isotopes of oxygen, most of it is oxygen-16. This is why the atomic weight of oxygen (15.9994) is so close to 16. About 99.76% of oxygen is oxygen-16.

43

300 reads

CURATED FROM

IDEAS CURATED BY

iravarma

We are all one!

The idea is part of this collection:

Introduction to Web 3.0

Learn more about scienceandnature with this collection

The differences between Web 2.0 and Web 3.0

The future of the internet

Understanding the potential of Web 3.0

Related collections

Similar ideas to The Atomic Weight Standard

The atomic bomb

The atomic bomb

  • J. Robert Oppenheimer, director of the Los Alamos Laboratory during World War II, is credited with the creation of the atomic bomb. Oppenheimer does not regret playing a part in the war effort, but he feels that the way the atomic bomb was used wasn't right. Japan could have been warned abo...

Best weight vs Ideal weight

Obese person's "best weight" might not be their "ideal weight." A small reduction of about 3-5% can lead to health improvements.

The new guideline notes that keeping the weight off is often difficult because the brain will compensate by making the body feel more hungry. The guideline encou...

Time-restricted eating does not help with weight loss

A 12-week randomized trial found that overweight adults who started time-restricted eating lost about the same weight as a control group, and most of the weight lost was lean muscle mass, not fat.

But the take on time-restricted eating is still open because so few studies exist that examin...

Read & Learn

20x Faster

without
deepstash

with
deepstash

with

deepstash

Personalized microlearning

100+ Learning Journeys

Access to 200,000+ ideas

Access to the mobile app

Unlimited idea saving

Unlimited history

Unlimited listening to ideas

Downloading & offline access

Supercharge your mind with one idea per day

Enter your email and spend 1 minute every day to learn something new.

Email

I agree to receive email updates