# How do you calculate isotopes of RAM?

## How do you calculate isotopes?

Multiply your answer by 100 to get a percentage. For example, 0.1988 x 100 = 19.88 percent. Subtract this value from 100 percent to find the abundance of the other isotope. For example, 100 — 19.88 = 80.12 percent.

## How do you calculate relative isotopic mass?

e.g. in the two calculations below. To the nearest whole number, isotopic mass = mass number for a specific isotope. If an element only has one isotope, relative atomic mass = relative mass of this isotope. A good example is fluorine.

## How many isotopes are there?

All elements have isotopes. There are two main types of isotopes: stable and unstable (radioactive). There are 254 known stable isotopes. All artificial (lab-made) isotopes are unstable and therefore radioactive; scientists call them radioisotopes.

## What do isotopes mean?

Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties. Every chemical element has one or more isotopes.

## How are isotopes written?

Isotopes are written in two different ways. They can be written using their symbol with the mass number (to the upper left) and atomic number (to the lower left) or the isotope name is written with a dash and the mass number. For example: Two naturally occurring isotopes of chlorine are chlorine-35 & chlorine-37.

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## What are isotopes used for?

Medical Applications

Isotope Use
32P cancer detection and treatment, especially in eyes and skin
59Fe anemia diagnosis
60Co gamma ray irradiation of tumors
99mTc* brain, thyroid, liver, bone marrow, lung, heart, and intestinal scanning; blood volume determination

## How do you write isotopes in Word?

If you CTRL Shift + once again, you are returned to normal text. So if you want to type the sentence shown in the screenshot, it would be CTRL Shift + 238 CTRL Shift + Pu is an isotope of Plutonium. This keyboard shortcut works in Word, Outlook and Powerpoint—but not in Excel.

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