Do we breathe oxygen-16?

The minimum oxygen concentration in the air required for human breathing is 19.5 percent. The human body takes the oxygen breathed in from the lungs and transports it to the other parts of the body via the body’s red blood cells.

Is oxygen-18 an isotope?

O, Ω) is a natural, stable isotope of oxygen and one of the environmental isotopes….Oxygen-18.

General
Protons	8
Neutrons	10
Nuclide data
Natural abundance	0.2\%

What level of oxygen do we breathe?

Inhaled air is about 20-percent oxygen. Exhaled air is about 15-percent oxygen. Therefore, about 5-percent of breathed air is consumed in each breath.

Is oxygen 17 an isotope?

Oxygen-17 atom is the stable isotope of oxygen with relative atomic mass 16.999131.

How many stable isotopes does neodymium have?

seven stable isotopes
Neodymium is a rare earth element (REE) that occurs in many silicate, phosphate, and carbonate minerals by substitution for major ions. It has seven stable isotopes.

What oxygen isotope has 9 neutrons?

oxygen 17
Because protons and neutrons are roughly equal in mass, an isotope’s number is equal to the sum of its protons and neutrons. Therefore, oxygen 16 has 8 protons and 8 neutrons, oxygen 17 has 8 protons and 9 neutrons, and oxygen 18 has 8 protons and 10 neutrons.

What are oxygen isotopes for?

Oxygen isotopes have been used as temperature or climate proxies in a number of other marine biogenic phases, although far less widely than in foraminifera or reef corals. Probably the most important work has been on oxygen isotopes in diatom opal (Shemesh et al., 1992, 1994, 1995).

Is sodium 23 an isotope?

Sodium-23 atom is the stable isotope of sodium with relative atomic mass 22.989770, 100 atom percent natural abundance and nuclear spin 3/2.

How many oxygen isotopes are there?

three
The element oxygen has three stable isotopes: 16O, 17O, and 18O.